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1
Copyright © 2017 Pearson Education, Inc.
Modern Systems Analysis and Design, 8e (Valacich/George)
Chapter 8 Structuring System Data Requirements
1) The most common format used for data modeling is ________ diagramming.
A) Entity-class
B) Entity-object
C) Entity-subject
D) Entity-relationship
Answer: D
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
2) During requirements structuring, a ________ model represents conceptual data requirements
for a particular system.
A) Business
B) Project
C) Data
D) Relationship
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
3) A(n) ________ data model is a detailed model that captures the overall structure of
organizational data that is independent of any database management system or other
implementation considerations.
A) Conceptual
B) Physical
C) Logical
D) Entity
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
2
Copyright © 2017 Pearson Education, Inc.
4) A physical data model is a detailed model that captures the overall structure of organizational
data that is independent of any database management system or other implementation
considerations.
Answer: FALSE
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
5) Conceptual data modeling is not done in parallel with other requirements analysis and
structuring steps during systems analysis.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
6) The process of conceptual data modeling begins with developing a conceptual data model for
the system being replaced, if a system already exists. This is essential for planning the
conversion of the current files or database into the database of the new system.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
7) The primary deliverable from the physical data modeling step within the analysis phase is an
E-R diagram.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
8) The other deliverable from conceptual data modeling is a full set of entries about data objects
that will be stored in the project dictionary, repository, or data modeling software.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Concept
3
Copyright © 2017 Pearson Education, Inc.
9) Why do some systems developers believe the data model is the most important part of IS
requirements?
Answer: First, the characteristics of data captured during data modeling are crucial in the design
of databases, programs, computer screens, and printed reports. Second, data, not processes, are
the most complex aspects of many modern information systems and hence require a central role
in structuring system requirements. Third, the characteristics about data are reasonably
permanent and have significant similarity for different organizations in the same business.
Finally, structural information about data is essential for automatic program generation.
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Synthesis
10) Describe conceptual data modeling. How is it used? Describe the process.
Answer: A conceptual data model is a representation of organizational data. The purpose of a
conceptual data model is to show as many rules about the meaning and interrelationships among
data as possible. Analysts develop (or use from prior systems development) a conceptual data
model for the current system and then build or refine a purchased conceptual data model that
supports the scope and requirements for the proposed or enhanced system. The process of
conceptual data modeling begins with developing a conceptual data model for the system being
replaced, if a system already exists. Then, a new conceptual data model is built (or a standard
one is purchased) that includes all of the data requirements for the new system.
Difficulty: Easy
AACSB: Information Technology
LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an
information system
Classification: Synthesis
11) What unique characteristic(s) distinguish(es) each object from other objects of the same
type?
A) Secondary key
B) Primary key
C) Composite key
D) Index
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.2 Describe the information gathering process for conceptual data modeling
Classification: Concept
4
Copyright © 2017 Pearson Education, Inc.
12) On what basis are objects referenced, selected, qualified, sorted, and categorized?
A) Attributes and secondary keys
B) Entities
C) Primary keys
D) Index
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.2 Describe the information gathering process for conceptual data modeling
Classification: Concept
13) An ________ model is a detailed, logical representation of the entities, associations, and data
elements for an organization or business area.
A) E-D
B) E-O
C) E-R
D) E-A
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.2 Describe the information gathering process for conceptual data modeling
Classification: Concept
14) A(n) ________ is a person, place, object, event, or concept in the user environment about
which the organization wishes to maintain data.
A) Dimension
B) Attribute
C) Object
D) Entity
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
5
Copyright © 2017 Pearson Education, Inc.
15) An entity ________ is a collection of entities that share common properties or
characteristics.
A) Object
B) Type
C) Subject
D) Relationship
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
16) Each entity type in an E-R model is given a ________ because it represents a class or set, it
is singular.
A) Class
B) Type
C) Name
D) Degree
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
17) An entity ________ is a single occurrence of an entity type.
A) Instance
B) Object
C) Attribute
D) Class
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
6
Copyright © 2017 Pearson Education, Inc.
18) An entity ________ is described just once in a data model, whereas many ________ of that
may be represented by data stored in the database.
A) Type; instances
B) Type; classes
C) Instance; types
D) Class; objects
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
19) A common mistake many people make when they are just learning to draw E-R diagrams,
especially if they already know how to do data flow diagramming, is to confuse data entities with
________ and relationships with data flows.
A) Classes
B) Sinks
C) Relationships
D) Attributes
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
20) Event entity types should be named for the result of the ________, not the activity or process
of the event.
A) Event
B) Class
C) Entity
D) Object
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
7
Copyright © 2017 Pearson Education, Inc.
21) A(n) ________ is a named property or characteristic of an entity that is of interest to the
organization.
A) Event
B) Instance
C) Relationship
D) Attribute
Answer: D
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
22) Similar attributes of different entity types should use ________ but distinguishing names.
A) Similar
B) Different
C) Unique
D) Duplicate
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
23) A ________ key is an attribute (or combination of attributes) that uniquely identifies each
instance of an entity type.
A) Primary
B) Unique
C) Candidate
D) Duplicate
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
8
Copyright © 2017 Pearson Education, Inc.
24) A(n) ________ is an attribute that may take on more than one value for each entity instance.
A) Multi-valued attribute
B) Single-valued attribute
C) Identifier
D) Candidate key
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
25) A(n) ________ is an attribute that must have a value forevery entity instance.
A) Derived attribute
B) Composite attribute
C) Required attribute
D) Optional attribute
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
26) A(n) ________ is an attribute that may not have a value forevery entity instance.
A) Required attribute
B) Derived attribute
C) Composite attribute
D) Optional attribute
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
27) A(n) ________ is an attribute that has meaningful component parts.
A) Optional attribute
B) Composite attribute
C) Required attribute
D) Derived attribute
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
9
Copyright © 2017 Pearson Education, Inc.
28) A(n) ________ is an attribute whose value can be computed from related attribute values.
A) Derived attribute
B) Composite attribute
C) Required attribute
D) Optional attribute
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
29) A(n) ________ is an association between the instances of one or more entity types that is of
interest to the organization.
A) Attribute
B) Repeating group
C) Relationship
D) Identifier
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
30) The ________ of a relationship is the number of entity types that participate in that
relationship.
A) Object
B) Degree
C) Identifier
D) Measure
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
10
Copyright © 2017 Pearson Education, Inc.
31) A unary relationship is a relationship between the instances of ________ entity type(s).
A) One
B) Two
C) Three
D) Five
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
32) A recursive relationship is also known as a ________ relationship.
A) Binary
B) Ternary
C) Secondary
D) Unary
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
33) A ________ relationship is a relationship between instances of two entity types and is the
most common type of relationship encountered in data modeling.
A) Secondary
B) Binary
C) Primary
D) Ternary
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
11
Copyright © 2017 Pearson Education, Inc.
34) A ternary relationship is a simultaneous relationship among instances of ________ entity
type(s).
A) One
B) Two
C) Three
D) Ten
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
35) The ________ defines the number of instances of entity B that can (or must) be associated
with each instance of entity A.
A) Cardinality
B) Relationship
C) Identifier
D) Association
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
36) A(n) ________ is an entity type that associates the instances of one or more entity types and
contains attributes that are peculiar to the relationship between those entity instances.
A) Relationship
B) Associative entity
C) Identifier
D) Cardinality
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
37) An entity has its own identity that distinguishes it from each other entity.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
12
Copyright © 2017 Pearson Education, Inc.
38) An object type is a collection of entities that share common properties or characteristics.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
39) An entity instance (also known simply as an instance) is a single occurrence of an entity type
and is described just once in a data model, whereas many instances of that entity type may be
represented by data stored in the database.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
40) Event entity types should be named for the result of the event, not the activity or process of
the event.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
41) A state is a named property or characteristic of an entity that is of interest to the organization.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
42) A primary key is an attribute (or combination of attributes) that uniquely identifies each
instance of an entity type.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
13
Copyright © 2017 Pearson Education, Inc.
43) An identifier is a candidate key that has been selected to be used as the unique characteristic
for an entity type.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
44) An aggregation is an association between the instances of one or more entity types that is of
interest to the organization.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Concept
45) What is the link between a data model and a DFD?
Answer: Data elements included in data flows also appear in the data model, and vice versa.
You must include in the data model any raw data captured and retained in a data store, and a data
model can include only data that have been captured or that have been computed from captured
data. Because a data model is a general business picture of data, both manual and automated data
stores will be included. Each data store in a process model must relate to business objects
represented in the data model. You can use an automated repository to verify these linkages.
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
14
Copyright © 2017 Pearson Education, Inc.
46) List at least four requirements for determination questions for data modeling. Include a
question and which asset is related to that determination.
Answer: 1.What are the subjects/objects of the business? What types of people, places, things,
materials, events, etc. are used or interact in this business, about which data must be maintained?
How many instances of each object might exist?—data entities and their descriptions 2. What
unique characteristic (or characteristics) distinguishes each object from other objects of the same
type? Might this distinguishing feature change over time or is it permanent? Might this
characteristic of an object be missing even though we know the object exists?—primary key
3. What characteristics describe each object? On what basis are objects referenced, selected,
qualified, sorted, and categorized? What must we know about each object in order to run the
business?—attributes and secondary keys 4. How do you use these data? That is, are you the
source of the data for the organization, do you refer to the data, do you modify it, and do you
destroy it? Who is not permitted to use these data? Who is responsible for establishing legitimate
values for these data?—security controls and understanding who really knows the meaning of
data 5. Over what period of time are you interested in these data? Do you need historical trends,
current "snapshot" values, and/or estimates or projections? If a characteristic of an object
changes over time, must you know the obsolete values?—cardinality and time dimensions of
data 6. Are all instances of each object the same? That is, are there special kinds of each object
that are described or handled differently by the organization? Are some objects summaries or
combinations of more detailed objects?—supertypes, subtypes, and aggregations 7. What events
occur that imply associations among various objects? What natural activities or transactions of
the business involve handling data about several objects of the same or a different type?—
relationships and their cardinality and degree 8. Is each activity or event always handled the
same way or are there special circumstances? Can an event occur with only some of the
associated objects, or must all objects be involved? Can the associations between objects change
over time (for example, employees change departments)? Are values for data characteristics
limited in any way?–integrity rules, minimum and maximum cardinality, time dimensions of data
Difficulty: Moderate
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
15
Copyright © 2017 Pearson Education, Inc.
47) List and explain the following key data modeling terms: entity, attribute, relationship,
degree, cardinality, and associative entity.
Answer: An entity is a person, place, object, event, or concept in the user environment about
which the organization wishes to collect and maintain data. An attribute is a named property or
characteristic of an entity that is of interest to the organization. A relationship is an association
between the instances of one or more entity types that is of interest to the organization. Degree
defines the number of entity types that participate in a relationship. Cardinality specifies the
number of instances of entity B that can (or must) be associated with each instance of entity A.
An associative entity is a many-to-many (or one-to-one) relationship that the data modeler
chooses to model as an entity type with several associated one-to-many relationships with other
entity types.
Difficulty: Difficult
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
48) Define entity type. Provide the guidelines for creating entity types.
Answer: When naming and defining entity types, you should use the following guidelines:
• An entity type name is a singular noun.
• An entity type name should be descriptive and specific to the organization.
• An entity type name should be concise.
• Event entity types should be named for the result of the event, not the activity or process of the
event.
Some specific guidelines for defining entity types follow:
• An entity type definition should include a statement of what the unique characteristic(s) is/are
for each instance of the entity type.
• An entity type definition should make clear what entity instances are included and not
included in the entity type.
• An entity type definition often includes a description of when an instance of the entity type is
created and deleted.
• For some entity types, the definition must specify when an instance might change into an
instance of another entity type.
• For some entity types, the definition must specify what history is to be kept about entity
instances.
Difficulty: Difficult
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
16
Copyright © 2017 Pearson Education, Inc.
49) What are the rules for naming and defining attributes?
Answer: Name attributes using the following guidelines:
• An attribute name is a noun.
• An attribute name should be unique.
• To make an attribute name unique and for clarity, each attribute name should follow a standard
format.
• Similar attributes of different entity types should use similar but distinguishing names.
• An attribute definition states what the attribute is and possibly why it is important.
• An attribute definition should make it clear what is included and what is not included in the
attribute's value.
• Any aliases, or alternative names, for the attribute can be specified in the definition.
• It may also be desirable to state in the definition the source of values for the attribute.
• An attribute definition should indicate if a value for the attribute is required or optional.
• An attribute definition may indicate if a value for the attribute may change once a value is
provided and before the entity instance is deleted.
• An attribute definition may also indicate any relationships that attribute has with other
attributes.
Difficulty: Difficult
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
50) What are repeating groups and multivalued attributes? Provide an example of each.
Answer: A multivalued attribute is an attribute that may assume more than one value for each
entity instance. A repeating group is a related set of multivalued attributes. Using a student and
the courses she takes as an example, the course number, name, and grade are multivalued
attributes and repeat for each course that the student takes.
Difficulty: Easy
AACSB: Information Technology
LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms:
entity type, attribute, identifier, multivalued attribute, and relationship
Classification: Synthesis
51) An association usually means that an event has occurred or that some natural linkage exists
between entity instances.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
17
Copyright © 2017 Pearson Education, Inc.
52) A ternary relationship is a relationship between instances of two entity types and is the most
common type of relationship encountered in data modeling.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
53) The minimum cardinality of a relationship is the minimum number of instances of entity B
that may be associated with each instance of entity A.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
54) A relationship definition explains what action is being taken and possibly why it is
important. It may be important to state who or what does the action, but it is not important to
explain how the action is taken.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
55) An entity type that associates the instances of only one type and contains attributes that are
peculiar to the relationship between those entity instances.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
56) One situation in which a relationship must be turned into an associative entity is when the
associative entity has other relationships with entities besides the relationship that caused its
creation.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Concept
18
Copyright © 2017 Pearson Education, Inc.
57) Define unary, binary, and ternary relationships. Provide an example of each relationship.
Answer: The number of entity types participating in a relationship defines the degree of the
relationship. The most common relationships are unary, binary, and ternary. A unary relationship
is a relationship between the instances of one entity type. An example of this type of relationship
is of the "person" entity. One person (or instance) can be married to another person (or instance).
The binary relationship is a relationship between instances of two entity types. An example of
this relationship is of a supplier and part. The binary relationship is the most common type of
relationship encountered in data modeling. The ternary relationship is a simultaneous
relationship among instances of three entity types. An example is a supplier shipping a part to a
warehouse.
Difficulty: Easy
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Synthesis
58) Explain the concept of cardinality. Give an example.
Answer: Suppose there are two entity types, A and B, connected by a relationship. The
cardinality of a relationship is the number of instances of entity B that can (or must) be
associated with each instance of entity A. Clearly, a video store may stock more than one DVD
of a given movie. In the terminology we have used so far, this example is intuitively a "many"
relationship. Yet it is also true that the store may not have a single copy of a particular movie in
stock. We need a more precise notation to indicate the range of cardinalities for a relationship.
The minimum cardinality of a relationship is the minimum number of instances of entity B that
may be associated with each instance of entity A. The maximum cardinality is the maximum
number of instances. Cardinality constraints include mandatory cardinality, one optional, on
mandatory cardinality, optional cardinalities.
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Synthesis
19
Copyright © 2017 Pearson Education, Inc.
59) Naming relationships can be difficult. Describe at least three guidelines for naming
relationships.
Answer: You should use a few special guidelines for naming relationships, such as the
following:
• A relationship name is a verb phrase. Relationships represent actions, usually in the present
tense. A relationship name states the action taken, not the result of the action.
• You should avoid vague names, such as Has or Is related to. Use descriptive verb phrases
taken from the action verbs found in the definition of the relationship.
• A relationship definition explains what action is being taken and possibly why it is important.
It may be important to state who or what does the action, but it is not important to explain how
the action is taken.
• It may be important to give examples to clarify the action. The definition should explain any
optional participation. You should explain what conditions lead to zero associated instances,
whether this can happen only when an entity instance is first created or whether this can happen
at any time.
• A relationship definition should also explain the reason for any explicit maximum cardinality
other than many.
• A relationship definition should explain any restrictions on participation in the relationship.
• A relationship definition should explain the extent of history that is kept in the relationship.
• A relationship definition should explain whether an entity instance involved in a relationship
instance can transfer participation to another relationship instance.
Difficulty: Moderate
AACSB: Information Technology
LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative
entities, providing an example of each
Classification: Synthesis
60) A ________ is an entity type that is meaningful to the organization and that shares common
attributes or relationships distinct from other sub-groupings.
A) Repeating group
B) Multi-valued
C) Super-type
D) Subtype
Answer: D
Difficulty: Easy
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Concept
20
Copyright © 2017 Pearson Education, Inc.
61) The ________ rule specifies that an entity instance of the super type does not have to belong
to any subtype.
A) Total specialization
B) Partial specialization
C) Overlap
D) Disjoint
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Concept
62) The ________ rule specifies that each entity instance of the super-type must be a member of
some subtype of the relationship.
A) Partial specialization
B) Business
C) Overlap
D) Total specialization
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Concept
63) The ________ rule specifies that if an entity instance of the super type is a member of one
subtype, it cannot simultaneously be a member of any other subtype.
A) Business
B) Overlap
C) Disjoint
D) Partial specialization
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Concept
64) A supertype is a generic entity type that has a relationship with one or more subtypes.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Concept
21
Copyright © 2017 Pearson Education, Inc.
65) Briefly identify four important business rules for supertype/subtype relationships.
Answer: Total specialization, partial specialization, disjoint, and overlap are four business rules
for supertype/subtype relationships. The total specialization rule specifies that each entity
instance of the supertype must be a member of some subtype in the relationship. The partial
specialization rule specifies that an entity instance of the supertype is allowed not to belong to
any subtype. The disjoint rule specifies that if an entity instance of the supertype is a member of
one subtype, it cannot simultaneously be a member of any other subtype. The overlap rule
specifies that an entity instance can simultaneously be a member of two (or more) subtypes.
Difficulty: Easy
AACSB: Information Technology
LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with
entity-relationship diagramming notation
Classification: Synthesis
66) The ________ rule specifies that an entity instance can simultaneously be a member of two
(or more) subtypes.
A) Business
B) Overlap
C) Disjoint
D) Total specialization
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
67) ________ rules are specifications that preserve the integrity of the logical data model.
A) Business
B) Disjoint
C) Overlap
D) Total specialization
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
68) How many types of business rules are there in conceptual data modeling?
A) One
B) Two
C) Three
D) Four
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
22
Copyright © 2017 Pearson Education, Inc.
69) Which business rule specifies that each instance of an entity type must have a unique
identifier that is not null?
A) Triggering operations
B) Referential integrity
C) Entity integrity
D) Domains
Answer: C
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
70) Which business rule specifies the validity of attribute values?
A) Triggering operations
B) Referential integrity
C) Entity integrity
D) Domains
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
71) Which business rule specifies constraints on valid values for attributes?
A) Triggering operations
B) Referential integrity
C) Entity integrity
D) Domains
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
72) Which business rule specifies rules concerning the relationships between entity types?
A) Triggering operations
B) Referential integrity constraints
C) Entity integrity
D) Domains
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
23
Copyright © 2017 Pearson Education, Inc.
73) A domain is the set of all data types and ranges of values that ________ may assume.
A) Entities
B) Instances
C) Attributes
D) Events
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
74) A(n) ________ is an assertion or rule that governs the validity of data manipulation
operations such as insert, update, and delete.
A) Domain
B) Event
C) Referential integrity
D) Triggering operation
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
75) A(n) ________ is a concise statement of the business rule to be enforced by the triggering
operation.
A) Event
B) User rule
C) Action
D) Condition
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
76) A(n) ________ is the data manipulation operation (insert, delete, or update) that initiates the
operation.
A) Event
B) User rule
C) Action
D) Condition
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
24
Copyright © 2017 Pearson Education, Inc.
77) There is/are ________ principal type(s) of packaged data model(s).
A) One
B) Two
C) Three
D) Five
Answer: B
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
78) The disjoint rule specifies that if an entity instance of the supertype is a member of one
subtype, it can simultaneously be a member of any other subtype.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
79) Domain definitions typically specify some (or all) of the following characteristics of
attributes: data type, length, format, range, allowable values, meaning, uniqueness, and null
support (whether an attribute value may or may not be null).
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
80) Projects with purchased models take less time and cost more because the initial discovery
steps are no longer necessary, leaving only iterative tailoring and refinement to the local
situation.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Concept
81) Define domains for the following attributes: Account number.
Answer: Name: Account_number; Meaning: Customer account number in bank; Data type:
Character; Format: nnn-nnnn: Uniqueness: Must be unique; Null support: non-null
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Synthesis
25
Copyright © 2017 Pearson Education, Inc.
82) Define triggering operation. Provide an example and include the components.
Answer: A triggering operation (also called a trigger) is an assertion or rule that governs the
validity of data manipulation operations such as insert, update, and delete. The scope of
triggering operations may be limited to attributes within one entity or it may extend to attributes
in two or more entities. Other examples may be used.
Example:
User rule: WITHDRAWAL Amount may not exceed ACCOUNT Balance
Event: Insert
Entity Name: WITHDRAWAL
Condition: WITHDRAWAL Amount > ACCOUNT Balance
Action: Reject the insert transaction
Difficulty: Easy
AACSB: Information Technology
LO: 8.6 Define four basic types of business rules in a conceptual data model
Classification: Synthesis
83) ________ data models are generic data models that are designed to be used by organizations
within specific industries.
A) Universal
B) Conceptual
C) Logical
D) Industry-specific
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
84) The term ________ data model means a conceptual data model with some additional
properties associated with the most popular type of database technology like relational databases.
A) Universal
B) Physical
C) Logical
D) Industry-specific
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
26
Copyright © 2017 Pearson Education, Inc.
85) Which benefit of purchased data models refers to the fact that they are very general, covering
almost all options employed by the associated functional area or industry?
A) Consistent and complete
B) Validated
C) Cost reduction
D) Facilitates systems analysis
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
86) Which benefit of purchased data models provides database planning and analysis by
providing a first data model, which we can use to generate specific analysis questions and
concrete, not hypothetical or abstract, examples of what might be in the appropriate database?
A) Validated
B) Consistent and complete
C) Cost reduction
D) Facilitates systems analysis
Answer: D
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
87) A(n) ________ has a well-defined role in the application domain, and it has state (data),
behavior, and identity characteristics.
A) Event
B) Object
C) Activity
D) Class
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
27
Copyright © 2017 Pearson Education, Inc.
88) The ________ of an object encompasses its properties (attributes and relationships) and the
values of those properties.
A) State
B) Condition
C) Behavior
D) Event
Answer: A
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
89) The ________ shows the static structure of an object-oriented model: the object classes, their
internal structure, and the relationships in which they participate.
A) Data model
B) Object class
C) Object diagram
D) Class diagram
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
90) The ________ is a logical grouping of objects that have the same (or similar) attributes,
relationships, and behaviors; also called class.
A) Operation
B) Encapsulation
C) Object class
D) Object diagram
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
91) The ________ is the technique of hiding the internal implementation details of an object
from its external view.
A) Query operation
B) Encapsulation
C) Constructor operation
D) Update operation
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
28
Copyright © 2017 Pearson Education, Inc.
92) A(n) ________ is an operation that does not have any side effects; it accesses the state of an
object but does not alter the state.
A) Encapsulation
B) Constructor operation
C) Update operation
D) Query operation
Answer: D
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
93) A(n) ________ is a specification that indicates how many objects participate in a given
relationship.
A) Association role
B) Multiplicity
C) Association
D) Object class
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
94) A(n) ________ class is a class that has no direct instances but whose descendants may have
direct instances.
A) Abstract
B) Concrete
C) Object
D) Associative
Answer: A
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
29
Copyright © 2017 Pearson Education, Inc.
95) A class that can have direct instances (e.g., Outpatient or Resident Patient) is called a(n)
________ class.
A) Object
B) Abstract
C) Associative
D) Concrete
Answer: D
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
96) A part-of relationship in which parts belong to only one whole object, and the parts live and
die with the whole object is called ________.
A) Method
B) Composition
C) Aggregation
D) Polymorphism
Answer: B
Difficulty: Easy
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
97) The fact that the same operation may apply to two or more classes in different ways is known
as ________.
A) Aggregation
B) Abstract operation
C) Polymorphism
D) Composition
Answer: C
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
98) The technique of hiding the internal implementation details of an object from its external
view is known as encapsulation.
Answer: TRUE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
30
Copyright © 2017 Pearson Education, Inc.
99) Operations can be classified into four types, depending on the kind of service requested by
clients.
Answer: FALSE
Difficulty: Moderate
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Concept
100) What are the benefits of beginning an operation with a packaged logical data model?
Answer: An advantage of LDMs is that a packaged data model now exists for almost every
industry and application area. Other advantages include:
• Validated. Purchased models are proven through extensive experience.
• Cost reduction. Projects with purchased models take less time and cost less because the initial
discovery steps are no longer necessary, leaving only iterative tailoring and refinement to the
local situation.
• Anticipate future requirements, not just initial requirements. Purchased models anticipate
future needs, not just those recognized during the first version of an application. Thus, because
the database structure does not require structural change, their benefits are recurring, not one-
time.
• Facilitates systems analysis. The purchased model actually facilitates database planning and
analysis by providing a first data model, which you can use to generate specific analysis
questions and concrete, not hypothetical or abstract, examples of what might be in the
appropriate database.
• Consistent and complete. The purchased data models are very general, covering almost all
options employed by the associated functional area or industry. Thus, they provide a structure
that, when tailored, will be consistent and complete.
Difficulty: Difficult
AACSB: Information Technology
LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling
Classification: Synthesis
Other documents randomly have
different content
above the conical base exactly resembling the
‘Jebels’ on which one has looked with weary eyes,
day after day, through the rippling heat of the
Soudan deserts. In some parts of the Karroo these
mountains close upon narrow gorges, along which
the railway winds, and its sudden turns round rocky
buttresses seem so familiar to one who knows the
old military line above Wady Halfa that he can
imagine himself travelling once more through the
desolate Batn el Hagar towards Khartoum. To men
for whom the rugged Karroo had no such
associations with the land of mysterious fascination,
there may well have been a wearisome monotony in
the unvarying repetition of similar forms—the vast
plains whereon no tree bigger than the Acacia
horrida grows, and where the houses, if any, are so
widely separated that they only serve to deepen the
impression of melancholy solitude; the waterless
rivers, the bare brown kops. For full appreciation of
the Karroo one must have breathed its invigorating
air from childhood, and seen it in seasons of beauty
with all the glory of its summer raiment on. De Aar
Junction is no more than a huge collection of railway
sheds and equally hideous houses set in the most
barren plain of the Great Karroo; but Lumsden’s
Horse saw it busy with many signs of military
preparation for a forward movement, and so it
seemed to them the very gateway of the fateful
future, in the shaping of which they were to have a
hand. That night they crossed the Orange River at
Norval’s Pont, where Railway Pioneers, mostly skilled
artificers from the Johannesburg mines, under Major
Seymour—‘the greatest of mechanical engineers,’ as
Colonel Girouard styled him—were hard at work,
night and day, repairing the broken bridge, while
baggage was being transferred by the wire trolly
high overhead. Lumsden’s Horse crossed the
pontoon ‘deviation’ to a train on the farther side, and
when morning dawned they were journeying slowly
—with many precautions against possible surprises
by marauding Boers—to the goal of their hopes.
Bloemfontein was reached by A Company in the
afternoon of April 3, when they went into camp at
Rustfontein, two miles from the town, and became
part of the 8th M.I. Regiment, under the command
of that very able leader, Colonel ‘Watty’ Ross, whose
portrait appears on the opposite page. Of him
Colonel Lumsden writes: ‘No better man could have
been chosen to command a body of Irregular Horse.
Capable, tactful, with a keen eye for a country, and a
man hard to beat in the saddle, he was in fact an
ideal leader at the game he had to play. We were
under his command from the time the 8th M.I. was
formed at Bloemfontein, early in April 1900, taking
part in every action of that eventful march to
Pretoria, and the 8th M.I. had the honour of scouting
in front of headquarters throughout.’ After the
memorable June 5, when the capital of the South
African Republic fell into our hands, Lumsden’s Horse
were placed for some time on communications at
Irene and Kalfontein, but their Colonel, tiring of this
inaction, applied to General Smith-Dorrien for more
congenial employment. His wish was shortly
afterwards gratified, and Lumsden’s Horse, with
mutual regrets on both sides, were transferred to
another column, thus severing their connection with
the 8th M.I. and the leader whose soldierly qualities
had endeared him to all ranks. Their respect for him
found appropriate expression long afterwards, when
every man of the corps, from Colonel Lumsden
downwards, subscribed for a badge, the regimental
‘LH’ in diamonds, and this they presented to Mrs.
Ross in token of their admiration for her husband as
a commander and in appreciation of the considerate
kindness he had shown to all ranks while they served
under him. That the admiration was not all on one
side may be gathered from an incident that occurred
some time after Lumsden’s Horse were embodied
with the 8th Mounted Infantry Corps, and Colonel
Lumsden thinks justly that no better proof could be
given of the able and smart class of men he had in
Photo: Dickinson
his command than the following remark from Colonel
Ross: ‘Lumsden, whenever I ask you to send me an
A.D.C. or galloper, never mind sending me one of
your officers; your troopers are just the class I want.’
MAJOR (LOCAL COLONEL)
W.C. ROSS, C.B.
Some months after the severance of associations
that had been so pleasant for commander and
commanded, when Lumsden’s Horse had seen their
last of South African fighting, Colonel Ross had the
lower part of his face shattered by a bullet while
attacking a Boer position at Bothaville with the
gallant dash which his old comrades remember so
well. In that fight De Wet’s forces were completely
routed, and lost nearly all their artillery; but the
victory was not achieved without heavy sacrifices on
our side. Colonel Le Gallais, who commanded the
Mounted Infantry, and also Captain Williams,
formerly Staff-Officer of the 8th M.I. Corps under
Colonel Ross, were killed, while going to the
assistance of their brother-officer; and, in the same
fight, Lieutenant Percy Smith, who had gained
honours as a trooper of Lumsden’s Horse at Ospruit
when he went out with his Colonel to bring in a
helpless comrade, was wounded in the performance
of a gallant action by which he won the D.S.O.
For the sake of finishing a story events have been
somewhat anticipated, and B Company may resent
the interpolation, at this stage, of a flattering
comment that belongs properly to a later period. In
the actions from which Colonel Ross formed his high
opinion of Lumsden’s troopers, B Company had taken
its full share. Before resuming touch with the
movements of that body, however, reference must be
made to another incident in which A Company had
the proud distinction of representing the whole
corps. The occasion was a visit on April 4 by Lord
Roberts, who, after inspecting the company, called
out and shook hands with Trooper Hugh Blair, whose
brother, an officer of the Royal Engineers, had been
badly wounded in the Candahar campaign. The
Commander-in-Chief then made a brief speech to
Colonel Lumsden and his troopers. Of this no
shorthand note or transcription from mental tablets
seems to have been made, but its meaning is
probably expressed in the following letter which Lord
Roberts wrote to Sir P. Playfair, C.I.E., Chairman of
the Executive Committee of Lumsden’s Horse: ‘Dear
Sir Patrick,—Many thanks for your letter of February
26. A few evenings ago I had great pleasure in
inspecting Lumsden’s Horse immediately after their
arrival here. I sent a telegram to the Viceroy to
inform him that I had done so. They are a
workmanlike, useful lot. I am sure they will do
splendidly in whatever position they may be placed.
It is most gratifying to hear the way in which the
corps was raised. The sum subscribed by the public
generally is the proof of the patriotism of the
subscribers, especially Colonel Lumsden himself. You
will have seen in the papers that we are detained
here for a while until we can refit, but when this is
done we shall move northward. I am confident that
during our advance Lumsden’s Horse will do credit to
themselves and to India. Believe me, yours very
truly, (Signed) Roberts.’
A few days after that inspection the Commander-
in-Chief sent to Colonel Lumsden a telegram he had
received from the Viceroy. Lord Roberts’s secretary
wrote as follows: ‘Dear Colonel Lumsden,—The Field-
Marshal asks me to send you the enclosed telegram
from the Viceroy, and to say that he fully agrees with
the last sentence of it.—Yours sincerely, H.V. Cowan,
Colonel, Military Secretary.’ Lord Curzon’s telegram
said: ‘Lord Roberts, Bloemfontein.—We are delighted
to hear of your kind reception of our Indian
Volunteer contingent, and hope that they may have a
chance of going to the front, where we are confident
of their ability to distinguish themselves.—Viceroy.’
Carrying on the narrative from this point, but
leaving the lighter incidents of life in Bloemfontein
for other pens to chronicle, Colonel Lumsden deals
briefly in his diary with the remaining period of A
Company’s isolation, and brings it down to the day
when the corps was to be reunited under his
command. With natural gratification at the position
assigned to him, he says:
General Ian Hamilton is to command a division of 10,000 Mounted
Infantry, of which Colonel Ridley’s brigade forms nearly a half,
consisting of four corps of about 1,200 strong each. We are
embodied with the 8th Mounted Infantry Corps, consisting of Loch’s
Horse, ourselves, and various companies of Mounted Infantry from
Regular battalions, under the command of Colonel Ross. Both
Colonels Ridley and Ross are well known in India, and we are
fortunate in being under their command and in having such a
dashing divisional commander as General Ian Hamilton. Our first
camp in Bloemfontein proved a sickly one, water being scarce owing
to the Boers having blown up the waterworks and cut off the main
supply. This, no doubt, has been the cause of numerous cases of
dysentery, and our camp was shifted yesterday to a healthier locality,
with a more plentiful water supply. Strange to say, we have had an
attack of mumps among the men, emanating, we believe, from a
native servant who developed that disease on board ship. I regret to
say that Captain Beresford had to be taken to hospital yesterday,
suffering from an acute attack of dysentery; but a few days of
careful dieting will enable him to rejoin us, I hope. B Company,
owing to the congested state of the railway traffic from Cape Town
to Bloemfontein, was landed at East London, to proceed thence by
rail to join us. Transport, however, was found to be equally difficult
by that route, and in consequence the company had to march the
greater part of the way.
What meanwhile had befallen that force under the
command of Major Showers may be told in the
words of a trooper whose lively contributions to the
‘Indian Daily News’ do not seem to have been
regarded as an infringement of a rule laid down in
the mobilisation scheme by which volunteers for
Lumsden’s Horse were warned that they would on no
account be allowed to act as special correspondents
for newspapers. This regulation, like many others,
seems to have been more honoured in the breach
than the observance. Taking up the broken thread
where it was dropped some pages back, he writes:
At Queen’s Town we had a fairly pleasant time, except on nights
when it simply rained cats and dogs and hailed as well. Most of our
tents leaked badly, so we were rendered thoroughly uncomfortable.
The horses and the unfortunate stable pickets (I was one, and speak
from personal experience) were in a wretched plight, without shelter
of any kind. When the storms were at their worst, and picketing
pegs would not hold in the soft ground, we may have used words
that were not endearing to horses that got loose. On April 2 we were
told that the company would start on the 4th, marching to Bethulie,
waggons for our horses not being available then, but that we should
probably entrain a few stations further up. We were informed that all
superfluous clothing, &c., would have to be packed up and returned
to East London, and each man would only be allowed to take one kit
bag, weight not to exceed thirty pounds. We therefore set to work,
and cudgelled our brains trying to decide what to take and what to
leave behind—no easy task, I can tell you. However, the die was cast
at last, and we were ready for kit-bag weighing next morning.
Several of the men had evidently rather vague ideas on this point,
and, after filling their bags to a weight of forty or fifty pounds each,
had to repack them, much to their disgust. We left next day, our
destination being Baileytown, a small place about thirteen miles
distant. We were all, of course, in full marching order—supplied with
water-bottles, haversacks, bandoliers, rifles, and corn-bag. The first
three were hung round our shoulders, the rifles in the bucket on the
off side of the saddle, and the corn-bag slung to the saddle. I was
not accustomed to it; the strain on the shoulders is pretty severe;
and we were all glad when Baileytown drew in sight. This march
gave us a very good opportunity of examining the country, and as
we passed kopje after kopje it was very easy to realise how difficult
a task it is to dislodge the Boers from their veritable strongholds.
Arriving at Baileytown about 5 p.m., and finding no tents there, we
bivouacked, and found the bare veldt no such uncomfortable bed
after all. We spent the whole of the next day there, and as very
good grass was plentiful on the slope of the hills the opportunity was
taken of knee-haltering and grazing the horses. Resumed our march
next day; did about twenty-two miles by 3 o’clock in the afternoon,
when a halt was made at a place called Sterkstroom. Here, to our
delight, orders came for us to be sent off at once by train. We spent
a very busy afternoon unloading kits from the transport carts and
reloading them into railway waggons, and entraining horses. The
animals seem to be getting reconciled to this constant training and
detraining, and behaved very well indeed. By 8.30 we were all ready
to board the train. No more luxurious second- and third-class
carriages for us poor privates now. We were packed like sardines in
a box into three covered trucks, about forty or fifty men in each. It
was quite dark, and no lanterns were given us, or, rather, there was
an apology for a lantern in our truck, but it hardly made darkness
visible; kits and men all over the place, and little, if any, room to
sleep—a very weary night indeed for most of us. We arrived at
Burghersdorp at 11 A.M. next day, and stayed there about two hours.
All sorts of rumours were current about the close proximity of the
Boers. We were informed that fighting was expected at a station
north of Bethulie. At this latter place the troops had slept in the
trenches all night in momentary expectation of an attack. There
were said to be three or four thousand Boers hovering round in the
hills adjacent to these places, having been cut off in an attempt to
retreat beyond Bloemfontein. We did not reach Bethulie till 8 o’clock
that evening, having to wait at various sidings for down trains, of
which there were a good many. Not expecting to detrain till the
following morning, we had made ourselves as comfortable as
circumstances permitted for the night when orders were issued to
get out and encamp close by at once. In a moment all was
excitement, orders ringing out constantly, and men hurriedly getting
their kit together—an almost hopeless task in the darkness.
However, it was not long before all the men, horses, and kit were
out and on their way to camp. Arrived there, we picketed the
animals, and by 2 A.M. had quite settled down for the night. No
peace for us, however, as orders went round that we must be ready
saddled by 4.30, in case our services should be required. It turned
out to be a false alarm, however, so after waiting till 8 o’clock we
took the horses out to exercise. Bethulie, straggling along the
northern bank of Orange River, is just on the borders of the Free
State. The railway bridge, an eight-span one, has been completely
destroyed by Boers, and I must say they have done their work very
cleanly; five out of the eight spans have been cut right through by
charges of dynamite. Fortunately, however, there is a waggon bridge
here also, which reinforcements, coming up in time, were enabled to
save from destruction, and, lines having been placed across this, one
truck at a time is taken over. This important point of communication
is now very strongly guarded by regiments of Infantry on each side
of the river. Nearly all of us took the opportunity of having a glorious
bath in the river, and did a little amateur clothes-washing. Practice
will make perfect, no doubt, but at present we don’t take very kindly
to it. At 3 in the afternoon we got orders to saddle up in readiness to
march as an escort to 600 transport mules for Bloemfontein. The
rearguard came on with our own transport, and, as the latter only
move very slowly, they marched all night and did not arrive at
Spytfontein—the halting-place, nineteen miles distant—till about 3
A.M. Fortunately, there was brilliant light from the new moon;
otherwise the slow progress with refractory mules would have been
dreary indeed. As it was, we marched along as silently as possible,
and had the feeling that we might be attacked at any moment. The
Kaffir drivers, however, could not be restrained from shouting in
shrillest notes and cracking their long rhinoceros-hide thongs with
sounds like rifle-shots as they ran to head off wayward stragglers. All
night long the red dust rose from the hoofs of those 600 mules in
stifling clouds.
This is a most desolate-looking country, miles beyond miles
without passing a single human habitation. Towards the end of the
march, whether through sheer exhaustion or from the effects of the
moonbeams (one of our sages started this theory next day), half the
men went to sleep in their saddles. I was one of the somnolent
ones, and my horse took me several yards in front of the main body,
and I awoke with a start to hear my companions silently chuckling at
the situation. The only remedy was to get off and march alongside
our horses, and several of us did this. Natives told us afterwards that
Boers had been hanging on our flanks all through that march, and
the only thing that saved us was our water-cart, which they mistook
for a gun-carriage. The Boers must have changed a good deal since
then if they could be so easily deceived.
We left Spytfontein about 7 o’clock that morning and arrived at
Springfontein at 3 in the afternoon. Here the orders were for us to
start again next morning, escorting a Maxim battery of four guns to
Bloemfontein, in addition to the 600 mules we already had under
convoy. I may mention that one section of our company always
acted as advance guard, throwing out scouts in front and on the
flanks; the duty of these scouts being to search the kopjes on either
side of the road, and communicate with the main body by hand
signals should any enemy appear in sight. Starting from
Springfontein early on April 10, we did a march of fifteen miles to
Jagersfontein. Here Jim, having pity for my lameness, took my horse
to water while I, in return, prowled round and found a little house
where the womenfolk agreed to let us have tea. I was shown into
the drawing-room, which looked very cosy by comparison with the
dreary veldt. Ordered tea for six and went to gather my pals for the
feast. After I had groomed my horse, fed him, and put his jhool on,
we went off to the small house. But, alas! the tea was all gone. Six
other men had been there and declared that I had ordered it for
them. This is the first example of ‘slimness’ recorded to the credit or
otherwise of Lumsden’s Horse. At 4 o’clock next morning a party of
us went out on patrol duty among the surrounding hills. We had our
magazines loaded and in the dim morning light it was rather exciting
work marching silently along with the chance of meeting the enemy
at any moment. We stayed out till about 7 o’clock, having thoroughly
examined the surrounding country from the top of a high kopje,
without discovering any traces of Boers. After half an hour for
breakfast, we started on the day’s march, which it was intended
would be a short one of fifteen miles; but it rained so heavily about
noon, and for an hour or two afterwards, that on arrival at the
camping-place we found it to be a mass of liquid mud and grass,
and the Major decided to keep marching on for Edenburg, about
eight miles distant, in the hope that it would be drier there. But it
continued to pour steadily all the afternoon, and we arrived to find
our camping ground at Edenburg inches deep in water. We had no
tents, so simply wrapped ourselves in our blankets and slept where
we could. Many of us woke an hour or two afterwards, and found
ourselves wet to the bone, and in preference to trying to sleep again
we made a good fire and sat round this all night. There were a few
men of one of the New Zealand Volunteer regiments encamped here
also, in charge of sick horses, and they very kindly supplied us with
hot cocoa—a most grateful and comforting drink on such a night.
They gave us very graphic descriptions of hard times in the field.
They had seen lots of fighting, being used mainly, if not entirely, as
scouts. They told us how difficult it was to find the enemy, who kept
hidden among rocks on the kopjes and never fired till our men were
within about a hundred yards. As soon as the first shot was fired,
the scouts turned and galloped for their lives, and the artillery then
began to shell the kopjes. Next morning we saw several Boer
prisoners, among them being a lad of about eighteen, who had killed
a Major in one of our regiments while coming towards him with a
flag of truce in his hand. Near the place where we had bivouacked
quantities of buried Boer ammunition and guns were discovered. We
continued our march at about 1 A.M., and encamped in the afternoon
at a small place called Bethany. Here a night attack was expected, a
Boer commando of several thousand men being reported in the
vicinity. The men of the Maxim battery stood to their guns all night
on a kopje close by, and about thirty of us accompanied them as an
extra precaution. Cossack posts were also thrown out. Locusts, of
which we had already met several swarms on our march up, literally
covered the hill-sides here, and, getting down our backs and up our
sleeves, took some dislodging. No alarm was given, so we passed
the night in peace. We resumed our march on Good Friday, and,
reaching Kaffir River in the afternoon, encamped there for the night
with Regular regiments—Guards, Highlanders, and several others.
Camps were fairly far apart, and after picketing horses, drawing
forage, and eating our frugal meals, we had no time for exchanging
visits or getting any news from the various regiments we met at our
stopping-places. However, there was consolation for us when we
received our first budget of home and Indian letters, one of the men
from A Company, then at Bloemfontein, having been sent down with
them.
Up to this point the march had been across monotonous veldt,
mostly flat, treeless, and uninteresting. Here and there, where the
ground held moisture, little pink flowers of a wood sorrel showed,
and nearly every mile one came across some fresh variety of aster or
daisy-like flower with composite crown shining brightly in the coarse
grass. Occasionally the ridges were rich with clumps of heath,
scarlet, yellow, and white, but not enough to relieve the general
dreariness of distances across which one often looked in vain for any
sign of cultivation. Ant-hills and the burrows of ant-bears were on all
the veldt, and we had to wind our way among them, following no
well-defined road, but only a track, the general direction of which
was marked by a browner thread running across the tawny veldt.
Several horses blundered into the bear-holes and brought their
riders to grief, much to the general amusement. One trooper who
rode ahead waving his hand and warning those who followed by
frequent cries of ‘’Ware hole! ’Ware hole!’ suddenly disappeared, and
we heard him groan as his horse rolled over on top of him, ‘Here’s
one, and I’m into it.’ It was nearly dark then; but dead horses,
mules, and dying oxen marked the track by which other convoys had
gone. We felt glad that our transport ponies were not to share their
fate. They had proved quite useless for drawing the heavy loads in
this country, so we left them behind at Sterkstroom, sending all our
baggage-carts on by train, while we marched and bivouacked with
only the blankets and supplies that could be carried on our own
horses. It was at Edenburg, I think, that after a wet march we got
leave to go into the town, hoping it might be possible to get
something better than the perpetual ‘bully beef’ and biscuits, but the
only room we could find in the only decent hotel was wanted for
officers. However, a little man of the Derby Militia came and showed
us a small Boer ‘Winkel,’ where we got excellent tea, bread, and jam.
The Derby man said he knew where he could buy some butter,
which was all we wanted to make us happy. C—— gave him 2s. to
go and get it. We finished our meal without that butter, and the
Derby man didn’t return. So we went back to find everything in
camp wet, muddy, and beastly. To add to our misery, a thunderstorm
came on, and while we wallowed in slush there were empty houses
with roofs to them not half a mile off. From Kaffir River we might
easily have done the distance to Bloemfontein in one march, as it
was only nineteen miles; but there was apparently no reason for
hurrying, so we spent one more night in bivouac at Kaalspruit, and
on Easter Sunday, in the afternoon, marched through Bloemfontein
to our camp, which was three miles beyond. We only got a glimpse
of the town in passing through its central square and along the main
street, but, considering it was the capital of the Free State, I don’t
think any of us were very much struck with it at first sight. Colonel
Lumsden and A Company welcomed us very warmly. Our tents were
already pitched and food prepared, so we soon settled down in our
new quarters, A Company’s men receiving us as their guests and
treating us most hospitably.
There the trooper’s narrative ends, and Colonel
Lumsden follows with a well-deserved tribute to
Major Showers and the men of B Company, saying:
They made a very plucky march up, the officers and men carrying
nothing but their greatcoats and blankets, and sleeping out every
night in the rain. It was too much of a trial for the ponies to pull
their carts over the hilly and heavy going; and, as I said before, this
method of transport had to be abandoned, and their carts and
baggage railed up.
Considering the long and trying marches they had undergone, I
consider both men and horses looking wonderfully fit. A certain
proportion of them, however, were not in condition to resume
immediate work. Therefore, to replace these and in lieu of thirteen
casualties on board ship and en route, I have procured from Prince
Francis of Teck, the remount officer, twenty-six Argentine cobs,
which, although not up to the standard of our Indian mounts, are
nevertheless a boon to us in the circumstances, in a situation where
horseflesh is at a premium. A certain amount of kit and necessaries
had been lost by both companies during our journey here; but, it
being our first demand on the military authorities for such, we had
no difficulty in getting our requirements satisfied.
We are now (April 18) under orders to move to-morrow for
Spytfontein, five miles to the east of Karree Siding station, halting
for the night at Glen. There has been heavy rain for the past four
days, and it will be bad travelling, especially crossing the drift at
Modder River. I have been fortunate in being able to retain the
whole of our transport, which privilege has not been granted to any
other unit, and shall to-morrow be complete in every respect. The
men are in keen spirits, as our post is to be an advanced one and
within range of the Boer outposts.
I regret to say that Captain Beresford is no better, and will, I fear,
have to be invalided home.
CHAPTER VII
IMPRESSIONS OF BLOEMFONTEIN—JOIN THE 8th MOUNTED
INFANTRY REGIMENT ON OUTPOST
Long streets, ill-paved and deep in mud or dust; a
low stoep-shaded cottage with vines trailing about its
posts here and there between long rows of featureless
shops; a large market square where no farm produce
is displayed; a club frequented by British officers who
have little time to lounge; several churches of the
primmest Dutch type, with tall steeples that cut
sharply against the clear sky in lines
uncompromisingly straight; some public buildings,
pretentious without grace or beauty; on one side a
steep hill terraced with houses of which little but the
corrugated iron roofs can be seen; on the other, roads
that straggle off to level outskirts, where villas
painfully new stand in the midst of flowerless gardens
surrounded by barbed wire. These were the first
impressions of Bloemfontein gathered by Lumsden’s
Horse, and few troopers had any opportunity to
modify these impressions in more favourable
circumstances afterwards. The camp to which A
Company went originally at Rietfontein was within two
miles of the town, and might have been pleasant
enough if thousands of hoofs had not cut up its turf,
and the ground had not been used as a dumping-
place for rubbish which Boer commandos could not
turn to any use. Some of them had been there before
Lumsden’s Horse, and several British regiments also.
So many tens of thousands of soldiers were camped
round about the town that they may have interrupted
the currents of salubrious air which made
Bloemfontein famous in other days as a resort for
invalids. There were plenty of invalids to be seen there
in the early weeks of April 1900, but they did not
regard it as the best type of sanatorium, and men
who had to sleep in small tents on the reeking ground
of Rietfontein would not willingly go there again in
search of health. They had hardly begun to realise
how serious was the stoppage of a fresh water supply
which the Boers had cut off from the main at Modder
River. Hundreds of old wells existed in the town and
its outskirts, and by opening these enough water
could be drawn for immediate wants. But, alas! the
water had been undisturbed since Bloemfontein began
to draw its supply from the distant waterworks some
six or seven years earlier. What impurities had drained
into the wells during all that time nobody knew until
hospitals filled rapidly with patients suffering from
enteric and dysentery. Rietfontein was showing
symptoms of an outbreak, and so, after a week under
canvas there, Lumsden’s Horse got the welcome order
to strike camp and form a new one some three miles
farther north, by Deel’s Farm, where a clear spruit
flows over its bed of white gravel between banks that
are shaded by tall eucalyptus trees and drooping
sallows.
After days on duty, in which they were not allowed
to be slack, troopers felt little inclination for walking
the four or five miles to Bloemfontein, which did not
become more cheerful as the number of troops
increased, except for the traders, who were rapidly
getting back all they had lost by the war and a great
deal more. Officers had always the chance, whenever
they could get away from camp for an hour or two, of
pleasant social meetings at the Bloemfontein Club,
where generals, regimental commanders, and
company officers from other brigades came together
for a little while at lunch or afternoon tea and
exchanged all the rumours that could be told in a few
minutes—and they were many. It was a place of
strange meetings. Men from the uttermost corners of
the earth, who had perhaps not seen each other for
years, foregathered there, only to separate a little
later and go on their ways with different columns,
none knew whither. Troopers had similar experiences
in the streets and inns of Bloemfontein, where nearly
every regimental badge of the British Army and every
distinguishing plume adopted by Irregulars who had
come to fight as ‘soldiers of the Queen’ were to be
seen in a variety that seemed endless. Brothers whose
paths in life had parted when they left school, one
going east, another west or south, came face to face
in the streets of that little Free State town or rubbed
shoulders in a motley crowd of khaki-clad soldiers,
sometimes without recognising each other, until
accident gave them some clue. A rough word or two
of careless greeting, a tight hand-grip, a steadfast
look into eyes that remind the boys of father or
mother, a light laugh on lips that might otherwise
betray too much feeling, a drink together (if it is to be
had), for ‘Auld Lang Syne,’ and then with a jaunty ‘So
long, old chap,’ they part again. It is a superstition, or
at any rate a recognised custom, not to say ‘Good-bye’
in such circumstances. But if men only thought of its
literal meaning, what better wish could there be? Yet,
for all its stir and bustle and dramatic incidents,
Bloemfontein was a dull place in those days for any
man who entered it and found no intimate friends
there to greet him. Comrades they all were, but in a
rough-and-ready sort of comradeship that needed the
fire of the battlefield to try it and perchance anneal it
into something stronger than the ties of mere kinship.
But this is a thing which only soldiers understand, and
seldom even they. Lumsden’s Horse knew it not then,
but for some of them the secret was to be disclosed
before many days had passed, and in a form that will
never fade from their memory. Meanwhile, they went
about their duties methodically enough in camp or
took their pleasures sadly in streets where thousands
of soldiers wandered daily, finding no entertainment,
no place of resort except dingy bars, where liquors of
more than alcoholic potency were sold, and very little
change from campaign fare except at a price that
made even the necessaries of life prohibited luxuries
for a man who had no more than his shilling a day to
spend. One of Lumsden’s Horse who was sent into
Bloemfontein on orderly duty gives a vivid sketch of all
this in a few touches that are the more graphic
because they only pretend to note passing
impressions. Writing a day after B Company’s arrival at
Deel’s Farm, he shows how the men had to rub their
horses down while standing inches deep in mud. So
much rain was out of season, but South Africa is, like
other places, occasionally fickle in this respect. To
troopers it did not seem an ideal way of spending
Easter Monday, and the whistle, of which officers
made free use, must have been irritating to nerves
already overstrained, for it is never mentioned without
a forcible prefix. However, when rain ceased and
sunshine appeared for an hour in the afternoon, these
men were merry enough at a game of cricket, which,
by violating all the higher rules, must have reminded
them of similar sports in England when they were
boys and welcomed Easter Monday as the day of all
others appropriate to cricket. The next morning a
great cheer rolled from camp to camp, and Lumsden’s
Horse, responding lustily, passed it on to the next
without asking what the unusual excitement meant.
When they heard afterwards that troops were
cheering because ‘Kruger had surrendered,’ a strange
depression took hold of them. At that moment all the
discomforts and drudgery of a soldier’s life were
forgotten in the humiliating thought that the corps
would have to go back to India without a chance of
proving itself in battle. It turned out, however, to be
all mere rumour, though not so baseless as some of
which Lumsden’s Horse had after-experience. The
Transvaal President’s offer to negotiate for peace on
terms all in his own favour must have been known in
England then, and in some mysterious way a reflex of
it came to camps on the veldt, where troops, who had
seen plenty of the fighting that Lumsden’s Horse were
eager for, welcomed the illusive tidings with a cheer.
In its train, however, came something nearly as good
—a post bringing letters from ‘England, home, and
beauty,’ and for one non-commissioned officer at least
‘a parcel full of excellent things.’ Before he had time to
enjoy these he was under orders for Bloemfontein,
and after a ride through pouring rain he got there in
time to hear another disconcerting rumour, and to find
some of his comrades selling their kit because ‘they
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Modern Systems Analysis and Design 8th Edition Valacich Test Bank

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  • 5. 1 Copyright © 2017 Pearson Education, Inc. Modern Systems Analysis and Design, 8e (Valacich/George) Chapter 8 Structuring System Data Requirements 1) The most common format used for data modeling is ________ diagramming. A) Entity-class B) Entity-object C) Entity-subject D) Entity-relationship Answer: D Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 2) During requirements structuring, a ________ model represents conceptual data requirements for a particular system. A) Business B) Project C) Data D) Relationship Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 3) A(n) ________ data model is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations. A) Conceptual B) Physical C) Logical D) Entity Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept
  • 6. 2 Copyright © 2017 Pearson Education, Inc. 4) A physical data model is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations. Answer: FALSE Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 5) Conceptual data modeling is not done in parallel with other requirements analysis and structuring steps during systems analysis. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 6) The process of conceptual data modeling begins with developing a conceptual data model for the system being replaced, if a system already exists. This is essential for planning the conversion of the current files or database into the database of the new system. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 7) The primary deliverable from the physical data modeling step within the analysis phase is an E-R diagram. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept 8) The other deliverable from conceptual data modeling is a full set of entries about data objects that will be stored in the project dictionary, repository, or data modeling software. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Concept
  • 7. 3 Copyright © 2017 Pearson Education, Inc. 9) Why do some systems developers believe the data model is the most important part of IS requirements? Answer: First, the characteristics of data captured during data modeling are crucial in the design of databases, programs, computer screens, and printed reports. Second, data, not processes, are the most complex aspects of many modern information systems and hence require a central role in structuring system requirements. Third, the characteristics about data are reasonably permanent and have significant similarity for different organizations in the same business. Finally, structural information about data is essential for automatic program generation. Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Synthesis 10) Describe conceptual data modeling. How is it used? Describe the process. Answer: A conceptual data model is a representation of organizational data. The purpose of a conceptual data model is to show as many rules about the meaning and interrelationships among data as possible. Analysts develop (or use from prior systems development) a conceptual data model for the current system and then build or refine a purchased conceptual data model that supports the scope and requirements for the proposed or enhanced system. The process of conceptual data modeling begins with developing a conceptual data model for the system being replaced, if a system already exists. Then, a new conceptual data model is built (or a standard one is purchased) that includes all of the data requirements for the new system. Difficulty: Easy AACSB: Information Technology LO: 8.1 Explain the role of conceptual data modeling in the overall analysis and design of an information system Classification: Synthesis 11) What unique characteristic(s) distinguish(es) each object from other objects of the same type? A) Secondary key B) Primary key C) Composite key D) Index Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.2 Describe the information gathering process for conceptual data modeling Classification: Concept
  • 8. 4 Copyright © 2017 Pearson Education, Inc. 12) On what basis are objects referenced, selected, qualified, sorted, and categorized? A) Attributes and secondary keys B) Entities C) Primary keys D) Index Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.2 Describe the information gathering process for conceptual data modeling Classification: Concept 13) An ________ model is a detailed, logical representation of the entities, associations, and data elements for an organization or business area. A) E-D B) E-O C) E-R D) E-A Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.2 Describe the information gathering process for conceptual data modeling Classification: Concept 14) A(n) ________ is a person, place, object, event, or concept in the user environment about which the organization wishes to maintain data. A) Dimension B) Attribute C) Object D) Entity Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 9. 5 Copyright © 2017 Pearson Education, Inc. 15) An entity ________ is a collection of entities that share common properties or characteristics. A) Object B) Type C) Subject D) Relationship Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 16) Each entity type in an E-R model is given a ________ because it represents a class or set, it is singular. A) Class B) Type C) Name D) Degree Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 17) An entity ________ is a single occurrence of an entity type. A) Instance B) Object C) Attribute D) Class Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 10. 6 Copyright © 2017 Pearson Education, Inc. 18) An entity ________ is described just once in a data model, whereas many ________ of that may be represented by data stored in the database. A) Type; instances B) Type; classes C) Instance; types D) Class; objects Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 19) A common mistake many people make when they are just learning to draw E-R diagrams, especially if they already know how to do data flow diagramming, is to confuse data entities with ________ and relationships with data flows. A) Classes B) Sinks C) Relationships D) Attributes Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 20) Event entity types should be named for the result of the ________, not the activity or process of the event. A) Event B) Class C) Entity D) Object Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 11. 7 Copyright © 2017 Pearson Education, Inc. 21) A(n) ________ is a named property or characteristic of an entity that is of interest to the organization. A) Event B) Instance C) Relationship D) Attribute Answer: D Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 22) Similar attributes of different entity types should use ________ but distinguishing names. A) Similar B) Different C) Unique D) Duplicate Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 23) A ________ key is an attribute (or combination of attributes) that uniquely identifies each instance of an entity type. A) Primary B) Unique C) Candidate D) Duplicate Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 12. 8 Copyright © 2017 Pearson Education, Inc. 24) A(n) ________ is an attribute that may take on more than one value for each entity instance. A) Multi-valued attribute B) Single-valued attribute C) Identifier D) Candidate key Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 25) A(n) ________ is an attribute that must have a value forevery entity instance. A) Derived attribute B) Composite attribute C) Required attribute D) Optional attribute Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 26) A(n) ________ is an attribute that may not have a value forevery entity instance. A) Required attribute B) Derived attribute C) Composite attribute D) Optional attribute Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 27) A(n) ________ is an attribute that has meaningful component parts. A) Optional attribute B) Composite attribute C) Required attribute D) Derived attribute Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 13. 9 Copyright © 2017 Pearson Education, Inc. 28) A(n) ________ is an attribute whose value can be computed from related attribute values. A) Derived attribute B) Composite attribute C) Required attribute D) Optional attribute Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 29) A(n) ________ is an association between the instances of one or more entity types that is of interest to the organization. A) Attribute B) Repeating group C) Relationship D) Identifier Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 30) The ________ of a relationship is the number of entity types that participate in that relationship. A) Object B) Degree C) Identifier D) Measure Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 14. 10 Copyright © 2017 Pearson Education, Inc. 31) A unary relationship is a relationship between the instances of ________ entity type(s). A) One B) Two C) Three D) Five Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 32) A recursive relationship is also known as a ________ relationship. A) Binary B) Ternary C) Secondary D) Unary Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 33) A ________ relationship is a relationship between instances of two entity types and is the most common type of relationship encountered in data modeling. A) Secondary B) Binary C) Primary D) Ternary Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 15. 11 Copyright © 2017 Pearson Education, Inc. 34) A ternary relationship is a simultaneous relationship among instances of ________ entity type(s). A) One B) Two C) Three D) Ten Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 35) The ________ defines the number of instances of entity B that can (or must) be associated with each instance of entity A. A) Cardinality B) Relationship C) Identifier D) Association Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 36) A(n) ________ is an entity type that associates the instances of one or more entity types and contains attributes that are peculiar to the relationship between those entity instances. A) Relationship B) Associative entity C) Identifier D) Cardinality Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 37) An entity has its own identity that distinguishes it from each other entity. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 16. 12 Copyright © 2017 Pearson Education, Inc. 38) An object type is a collection of entities that share common properties or characteristics. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 39) An entity instance (also known simply as an instance) is a single occurrence of an entity type and is described just once in a data model, whereas many instances of that entity type may be represented by data stored in the database. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 40) Event entity types should be named for the result of the event, not the activity or process of the event. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 41) A state is a named property or characteristic of an entity that is of interest to the organization. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 42) A primary key is an attribute (or combination of attributes) that uniquely identifies each instance of an entity type. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept
  • 17. 13 Copyright © 2017 Pearson Education, Inc. 43) An identifier is a candidate key that has been selected to be used as the unique characteristic for an entity type. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 44) An aggregation is an association between the instances of one or more entity types that is of interest to the organization. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Concept 45) What is the link between a data model and a DFD? Answer: Data elements included in data flows also appear in the data model, and vice versa. You must include in the data model any raw data captured and retained in a data store, and a data model can include only data that have been captured or that have been computed from captured data. Because a data model is a general business picture of data, both manual and automated data stores will be included. Each data store in a process model must relate to business objects represented in the data model. You can use an automated repository to verify these linkages. Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis
  • 18. 14 Copyright © 2017 Pearson Education, Inc. 46) List at least four requirements for determination questions for data modeling. Include a question and which asset is related to that determination. Answer: 1.What are the subjects/objects of the business? What types of people, places, things, materials, events, etc. are used or interact in this business, about which data must be maintained? How many instances of each object might exist?—data entities and their descriptions 2. What unique characteristic (or characteristics) distinguishes each object from other objects of the same type? Might this distinguishing feature change over time or is it permanent? Might this characteristic of an object be missing even though we know the object exists?—primary key 3. What characteristics describe each object? On what basis are objects referenced, selected, qualified, sorted, and categorized? What must we know about each object in order to run the business?—attributes and secondary keys 4. How do you use these data? That is, are you the source of the data for the organization, do you refer to the data, do you modify it, and do you destroy it? Who is not permitted to use these data? Who is responsible for establishing legitimate values for these data?—security controls and understanding who really knows the meaning of data 5. Over what period of time are you interested in these data? Do you need historical trends, current "snapshot" values, and/or estimates or projections? If a characteristic of an object changes over time, must you know the obsolete values?—cardinality and time dimensions of data 6. Are all instances of each object the same? That is, are there special kinds of each object that are described or handled differently by the organization? Are some objects summaries or combinations of more detailed objects?—supertypes, subtypes, and aggregations 7. What events occur that imply associations among various objects? What natural activities or transactions of the business involve handling data about several objects of the same or a different type?— relationships and their cardinality and degree 8. Is each activity or event always handled the same way or are there special circumstances? Can an event occur with only some of the associated objects, or must all objects be involved? Can the associations between objects change over time (for example, employees change departments)? Are values for data characteristics limited in any way?–integrity rules, minimum and maximum cardinality, time dimensions of data Difficulty: Moderate AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis
  • 19. 15 Copyright © 2017 Pearson Education, Inc. 47) List and explain the following key data modeling terms: entity, attribute, relationship, degree, cardinality, and associative entity. Answer: An entity is a person, place, object, event, or concept in the user environment about which the organization wishes to collect and maintain data. An attribute is a named property or characteristic of an entity that is of interest to the organization. A relationship is an association between the instances of one or more entity types that is of interest to the organization. Degree defines the number of entity types that participate in a relationship. Cardinality specifies the number of instances of entity B that can (or must) be associated with each instance of entity A. An associative entity is a many-to-many (or one-to-one) relationship that the data modeler chooses to model as an entity type with several associated one-to-many relationships with other entity types. Difficulty: Difficult AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis 48) Define entity type. Provide the guidelines for creating entity types. Answer: When naming and defining entity types, you should use the following guidelines: • An entity type name is a singular noun. • An entity type name should be descriptive and specific to the organization. • An entity type name should be concise. • Event entity types should be named for the result of the event, not the activity or process of the event. Some specific guidelines for defining entity types follow: • An entity type definition should include a statement of what the unique characteristic(s) is/are for each instance of the entity type. • An entity type definition should make clear what entity instances are included and not included in the entity type. • An entity type definition often includes a description of when an instance of the entity type is created and deleted. • For some entity types, the definition must specify when an instance might change into an instance of another entity type. • For some entity types, the definition must specify what history is to be kept about entity instances. Difficulty: Difficult AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis
  • 20. 16 Copyright © 2017 Pearson Education, Inc. 49) What are the rules for naming and defining attributes? Answer: Name attributes using the following guidelines: • An attribute name is a noun. • An attribute name should be unique. • To make an attribute name unique and for clarity, each attribute name should follow a standard format. • Similar attributes of different entity types should use similar but distinguishing names. • An attribute definition states what the attribute is and possibly why it is important. • An attribute definition should make it clear what is included and what is not included in the attribute's value. • Any aliases, or alternative names, for the attribute can be specified in the definition. • It may also be desirable to state in the definition the source of values for the attribute. • An attribute definition should indicate if a value for the attribute is required or optional. • An attribute definition may indicate if a value for the attribute may change once a value is provided and before the entity instance is deleted. • An attribute definition may also indicate any relationships that attribute has with other attributes. Difficulty: Difficult AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis 50) What are repeating groups and multivalued attributes? Provide an example of each. Answer: A multivalued attribute is an attribute that may assume more than one value for each entity instance. A repeating group is a related set of multivalued attributes. Using a student and the courses she takes as an example, the course number, name, and grade are multivalued attributes and repeat for each course that the student takes. Difficulty: Easy AACSB: Information Technology LO: 8.3 Describe how to represent an entity-relationship model and be able to define the terms: entity type, attribute, identifier, multivalued attribute, and relationship Classification: Synthesis 51) An association usually means that an event has occurred or that some natural linkage exists between entity instances. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept
  • 21. 17 Copyright © 2017 Pearson Education, Inc. 52) A ternary relationship is a relationship between instances of two entity types and is the most common type of relationship encountered in data modeling. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept 53) The minimum cardinality of a relationship is the minimum number of instances of entity B that may be associated with each instance of entity A. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept 54) A relationship definition explains what action is being taken and possibly why it is important. It may be important to state who or what does the action, but it is not important to explain how the action is taken. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept 55) An entity type that associates the instances of only one type and contains attributes that are peculiar to the relationship between those entity instances. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept 56) One situation in which a relationship must be turned into an associative entity is when the associative entity has other relationships with entities besides the relationship that caused its creation. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Concept
  • 22. 18 Copyright © 2017 Pearson Education, Inc. 57) Define unary, binary, and ternary relationships. Provide an example of each relationship. Answer: The number of entity types participating in a relationship defines the degree of the relationship. The most common relationships are unary, binary, and ternary. A unary relationship is a relationship between the instances of one entity type. An example of this type of relationship is of the "person" entity. One person (or instance) can be married to another person (or instance). The binary relationship is a relationship between instances of two entity types. An example of this relationship is of a supplier and part. The binary relationship is the most common type of relationship encountered in data modeling. The ternary relationship is a simultaneous relationship among instances of three entity types. An example is a supplier shipping a part to a warehouse. Difficulty: Easy AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Synthesis 58) Explain the concept of cardinality. Give an example. Answer: Suppose there are two entity types, A and B, connected by a relationship. The cardinality of a relationship is the number of instances of entity B that can (or must) be associated with each instance of entity A. Clearly, a video store may stock more than one DVD of a given movie. In the terminology we have used so far, this example is intuitively a "many" relationship. Yet it is also true that the store may not have a single copy of a particular movie in stock. We need a more precise notation to indicate the range of cardinalities for a relationship. The minimum cardinality of a relationship is the minimum number of instances of entity B that may be associated with each instance of entity A. The maximum cardinality is the maximum number of instances. Cardinality constraints include mandatory cardinality, one optional, on mandatory cardinality, optional cardinalities. Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Synthesis
  • 23. 19 Copyright © 2017 Pearson Education, Inc. 59) Naming relationships can be difficult. Describe at least three guidelines for naming relationships. Answer: You should use a few special guidelines for naming relationships, such as the following: • A relationship name is a verb phrase. Relationships represent actions, usually in the present tense. A relationship name states the action taken, not the result of the action. • You should avoid vague names, such as Has or Is related to. Use descriptive verb phrases taken from the action verbs found in the definition of the relationship. • A relationship definition explains what action is being taken and possibly why it is important. It may be important to state who or what does the action, but it is not important to explain how the action is taken. • It may be important to give examples to clarify the action. The definition should explain any optional participation. You should explain what conditions lead to zero associated instances, whether this can happen only when an entity instance is first created or whether this can happen at any time. • A relationship definition should also explain the reason for any explicit maximum cardinality other than many. • A relationship definition should explain any restrictions on participation in the relationship. • A relationship definition should explain the extent of history that is kept in the relationship. • A relationship definition should explain whether an entity instance involved in a relationship instance can transfer participation to another relationship instance. Difficulty: Moderate AACSB: Information Technology LO: 8.4 Distinguish among unary, binary, and ternary relationships as well as associative entities, providing an example of each Classification: Synthesis 60) A ________ is an entity type that is meaningful to the organization and that shares common attributes or relationships distinct from other sub-groupings. A) Repeating group B) Multi-valued C) Super-type D) Subtype Answer: D Difficulty: Easy AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Concept
  • 24. 20 Copyright © 2017 Pearson Education, Inc. 61) The ________ rule specifies that an entity instance of the super type does not have to belong to any subtype. A) Total specialization B) Partial specialization C) Overlap D) Disjoint Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Concept 62) The ________ rule specifies that each entity instance of the super-type must be a member of some subtype of the relationship. A) Partial specialization B) Business C) Overlap D) Total specialization Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Concept 63) The ________ rule specifies that if an entity instance of the super type is a member of one subtype, it cannot simultaneously be a member of any other subtype. A) Business B) Overlap C) Disjoint D) Partial specialization Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Concept 64) A supertype is a generic entity type that has a relationship with one or more subtypes. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Concept
  • 25. 21 Copyright © 2017 Pearson Education, Inc. 65) Briefly identify four important business rules for supertype/subtype relationships. Answer: Total specialization, partial specialization, disjoint, and overlap are four business rules for supertype/subtype relationships. The total specialization rule specifies that each entity instance of the supertype must be a member of some subtype in the relationship. The partial specialization rule specifies that an entity instance of the supertype is allowed not to belong to any subtype. The disjoint rule specifies that if an entity instance of the supertype is a member of one subtype, it cannot simultaneously be a member of any other subtype. The overlap rule specifies that an entity instance can simultaneously be a member of two (or more) subtypes. Difficulty: Easy AACSB: Information Technology LO: 8.5 Define supertypes and subtypes, showing how to represent these entity types with entity-relationship diagramming notation Classification: Synthesis 66) The ________ rule specifies that an entity instance can simultaneously be a member of two (or more) subtypes. A) Business B) Overlap C) Disjoint D) Total specialization Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 67) ________ rules are specifications that preserve the integrity of the logical data model. A) Business B) Disjoint C) Overlap D) Total specialization Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 68) How many types of business rules are there in conceptual data modeling? A) One B) Two C) Three D) Four Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept
  • 26. 22 Copyright © 2017 Pearson Education, Inc. 69) Which business rule specifies that each instance of an entity type must have a unique identifier that is not null? A) Triggering operations B) Referential integrity C) Entity integrity D) Domains Answer: C Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 70) Which business rule specifies the validity of attribute values? A) Triggering operations B) Referential integrity C) Entity integrity D) Domains Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 71) Which business rule specifies constraints on valid values for attributes? A) Triggering operations B) Referential integrity C) Entity integrity D) Domains Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 72) Which business rule specifies rules concerning the relationships between entity types? A) Triggering operations B) Referential integrity constraints C) Entity integrity D) Domains Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept
  • 27. 23 Copyright © 2017 Pearson Education, Inc. 73) A domain is the set of all data types and ranges of values that ________ may assume. A) Entities B) Instances C) Attributes D) Events Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 74) A(n) ________ is an assertion or rule that governs the validity of data manipulation operations such as insert, update, and delete. A) Domain B) Event C) Referential integrity D) Triggering operation Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 75) A(n) ________ is a concise statement of the business rule to be enforced by the triggering operation. A) Event B) User rule C) Action D) Condition Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 76) A(n) ________ is the data manipulation operation (insert, delete, or update) that initiates the operation. A) Event B) User rule C) Action D) Condition Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept
  • 28. 24 Copyright © 2017 Pearson Education, Inc. 77) There is/are ________ principal type(s) of packaged data model(s). A) One B) Two C) Three D) Five Answer: B Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 78) The disjoint rule specifies that if an entity instance of the supertype is a member of one subtype, it can simultaneously be a member of any other subtype. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 79) Domain definitions typically specify some (or all) of the following characteristics of attributes: data type, length, format, range, allowable values, meaning, uniqueness, and null support (whether an attribute value may or may not be null). Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 80) Projects with purchased models take less time and cost more because the initial discovery steps are no longer necessary, leaving only iterative tailoring and refinement to the local situation. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Concept 81) Define domains for the following attributes: Account number. Answer: Name: Account_number; Meaning: Customer account number in bank; Data type: Character; Format: nnn-nnnn: Uniqueness: Must be unique; Null support: non-null Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Synthesis
  • 29. 25 Copyright © 2017 Pearson Education, Inc. 82) Define triggering operation. Provide an example and include the components. Answer: A triggering operation (also called a trigger) is an assertion or rule that governs the validity of data manipulation operations such as insert, update, and delete. The scope of triggering operations may be limited to attributes within one entity or it may extend to attributes in two or more entities. Other examples may be used. Example: User rule: WITHDRAWAL Amount may not exceed ACCOUNT Balance Event: Insert Entity Name: WITHDRAWAL Condition: WITHDRAWAL Amount > ACCOUNT Balance Action: Reject the insert transaction Difficulty: Easy AACSB: Information Technology LO: 8.6 Define four basic types of business rules in a conceptual data model Classification: Synthesis 83) ________ data models are generic data models that are designed to be used by organizations within specific industries. A) Universal B) Conceptual C) Logical D) Industry-specific Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 84) The term ________ data model means a conceptual data model with some additional properties associated with the most popular type of database technology like relational databases. A) Universal B) Physical C) Logical D) Industry-specific Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept
  • 30. 26 Copyright © 2017 Pearson Education, Inc. 85) Which benefit of purchased data models refers to the fact that they are very general, covering almost all options employed by the associated functional area or industry? A) Consistent and complete B) Validated C) Cost reduction D) Facilitates systems analysis Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 86) Which benefit of purchased data models provides database planning and analysis by providing a first data model, which we can use to generate specific analysis questions and concrete, not hypothetical or abstract, examples of what might be in the appropriate database? A) Validated B) Consistent and complete C) Cost reduction D) Facilitates systems analysis Answer: D Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 87) A(n) ________ has a well-defined role in the application domain, and it has state (data), behavior, and identity characteristics. A) Event B) Object C) Activity D) Class Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept
  • 31. 27 Copyright © 2017 Pearson Education, Inc. 88) The ________ of an object encompasses its properties (attributes and relationships) and the values of those properties. A) State B) Condition C) Behavior D) Event Answer: A Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 89) The ________ shows the static structure of an object-oriented model: the object classes, their internal structure, and the relationships in which they participate. A) Data model B) Object class C) Object diagram D) Class diagram Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 90) The ________ is a logical grouping of objects that have the same (or similar) attributes, relationships, and behaviors; also called class. A) Operation B) Encapsulation C) Object class D) Object diagram Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 91) The ________ is the technique of hiding the internal implementation details of an object from its external view. A) Query operation B) Encapsulation C) Constructor operation D) Update operation Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept
  • 32. 28 Copyright © 2017 Pearson Education, Inc. 92) A(n) ________ is an operation that does not have any side effects; it accesses the state of an object but does not alter the state. A) Encapsulation B) Constructor operation C) Update operation D) Query operation Answer: D Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 93) A(n) ________ is a specification that indicates how many objects participate in a given relationship. A) Association role B) Multiplicity C) Association D) Object class Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 94) A(n) ________ class is a class that has no direct instances but whose descendants may have direct instances. A) Abstract B) Concrete C) Object D) Associative Answer: A Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept
  • 33. 29 Copyright © 2017 Pearson Education, Inc. 95) A class that can have direct instances (e.g., Outpatient or Resident Patient) is called a(n) ________ class. A) Object B) Abstract C) Associative D) Concrete Answer: D Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 96) A part-of relationship in which parts belong to only one whole object, and the parts live and die with the whole object is called ________. A) Method B) Composition C) Aggregation D) Polymorphism Answer: B Difficulty: Easy AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 97) The fact that the same operation may apply to two or more classes in different ways is known as ________. A) Aggregation B) Abstract operation C) Polymorphism D) Composition Answer: C Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 98) The technique of hiding the internal implementation details of an object from its external view is known as encapsulation. Answer: TRUE Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept
  • 34. 30 Copyright © 2017 Pearson Education, Inc. 99) Operations can be classified into four types, depending on the kind of service requested by clients. Answer: FALSE Difficulty: Moderate AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Concept 100) What are the benefits of beginning an operation with a packaged logical data model? Answer: An advantage of LDMs is that a packaged data model now exists for almost every industry and application area. Other advantages include: • Validated. Purchased models are proven through extensive experience. • Cost reduction. Projects with purchased models take less time and cost less because the initial discovery steps are no longer necessary, leaving only iterative tailoring and refinement to the local situation. • Anticipate future requirements, not just initial requirements. Purchased models anticipate future needs, not just those recognized during the first version of an application. Thus, because the database structure does not require structural change, their benefits are recurring, not one- time. • Facilitates systems analysis. The purchased model actually facilitates database planning and analysis by providing a first data model, which you can use to generate specific analysis questions and concrete, not hypothetical or abstract, examples of what might be in the appropriate database. • Consistent and complete. The purchased data models are very general, covering almost all options employed by the associated functional area or industry. Thus, they provide a structure that, when tailored, will be consistent and complete. Difficulty: Difficult AACSB: Information Technology LO: 8.7 Explain the role of prepackaged database models (patterns) in data modeling Classification: Synthesis
  • 35. Other documents randomly have different content
  • 36. above the conical base exactly resembling the ‘Jebels’ on which one has looked with weary eyes, day after day, through the rippling heat of the Soudan deserts. In some parts of the Karroo these mountains close upon narrow gorges, along which the railway winds, and its sudden turns round rocky buttresses seem so familiar to one who knows the old military line above Wady Halfa that he can imagine himself travelling once more through the desolate Batn el Hagar towards Khartoum. To men for whom the rugged Karroo had no such associations with the land of mysterious fascination, there may well have been a wearisome monotony in the unvarying repetition of similar forms—the vast plains whereon no tree bigger than the Acacia horrida grows, and where the houses, if any, are so widely separated that they only serve to deepen the impression of melancholy solitude; the waterless rivers, the bare brown kops. For full appreciation of the Karroo one must have breathed its invigorating air from childhood, and seen it in seasons of beauty with all the glory of its summer raiment on. De Aar Junction is no more than a huge collection of railway sheds and equally hideous houses set in the most barren plain of the Great Karroo; but Lumsden’s Horse saw it busy with many signs of military preparation for a forward movement, and so it
  • 37. seemed to them the very gateway of the fateful future, in the shaping of which they were to have a hand. That night they crossed the Orange River at Norval’s Pont, where Railway Pioneers, mostly skilled artificers from the Johannesburg mines, under Major Seymour—‘the greatest of mechanical engineers,’ as Colonel Girouard styled him—were hard at work, night and day, repairing the broken bridge, while baggage was being transferred by the wire trolly high overhead. Lumsden’s Horse crossed the pontoon ‘deviation’ to a train on the farther side, and when morning dawned they were journeying slowly —with many precautions against possible surprises by marauding Boers—to the goal of their hopes. Bloemfontein was reached by A Company in the afternoon of April 3, when they went into camp at Rustfontein, two miles from the town, and became part of the 8th M.I. Regiment, under the command of that very able leader, Colonel ‘Watty’ Ross, whose portrait appears on the opposite page. Of him Colonel Lumsden writes: ‘No better man could have been chosen to command a body of Irregular Horse. Capable, tactful, with a keen eye for a country, and a man hard to beat in the saddle, he was in fact an ideal leader at the game he had to play. We were under his command from the time the 8th M.I. was formed at Bloemfontein, early in April 1900, taking
  • 38. part in every action of that eventful march to Pretoria, and the 8th M.I. had the honour of scouting in front of headquarters throughout.’ After the memorable June 5, when the capital of the South African Republic fell into our hands, Lumsden’s Horse were placed for some time on communications at Irene and Kalfontein, but their Colonel, tiring of this inaction, applied to General Smith-Dorrien for more congenial employment. His wish was shortly afterwards gratified, and Lumsden’s Horse, with mutual regrets on both sides, were transferred to another column, thus severing their connection with the 8th M.I. and the leader whose soldierly qualities had endeared him to all ranks. Their respect for him found appropriate expression long afterwards, when every man of the corps, from Colonel Lumsden downwards, subscribed for a badge, the regimental ‘LH’ in diamonds, and this they presented to Mrs. Ross in token of their admiration for her husband as a commander and in appreciation of the considerate kindness he had shown to all ranks while they served under him. That the admiration was not all on one side may be gathered from an incident that occurred some time after Lumsden’s Horse were embodied with the 8th Mounted Infantry Corps, and Colonel Lumsden thinks justly that no better proof could be given of the able and smart class of men he had in
  • 39. Photo: Dickinson his command than the following remark from Colonel Ross: ‘Lumsden, whenever I ask you to send me an A.D.C. or galloper, never mind sending me one of your officers; your troopers are just the class I want.’ MAJOR (LOCAL COLONEL) W.C. ROSS, C.B. Some months after the severance of associations that had been so pleasant for commander and commanded, when Lumsden’s Horse had seen their
  • 40. last of South African fighting, Colonel Ross had the lower part of his face shattered by a bullet while attacking a Boer position at Bothaville with the gallant dash which his old comrades remember so well. In that fight De Wet’s forces were completely routed, and lost nearly all their artillery; but the victory was not achieved without heavy sacrifices on our side. Colonel Le Gallais, who commanded the Mounted Infantry, and also Captain Williams, formerly Staff-Officer of the 8th M.I. Corps under Colonel Ross, were killed, while going to the assistance of their brother-officer; and, in the same fight, Lieutenant Percy Smith, who had gained honours as a trooper of Lumsden’s Horse at Ospruit when he went out with his Colonel to bring in a helpless comrade, was wounded in the performance of a gallant action by which he won the D.S.O. For the sake of finishing a story events have been somewhat anticipated, and B Company may resent the interpolation, at this stage, of a flattering comment that belongs properly to a later period. In the actions from which Colonel Ross formed his high opinion of Lumsden’s troopers, B Company had taken its full share. Before resuming touch with the movements of that body, however, reference must be made to another incident in which A Company had the proud distinction of representing the whole
  • 41. corps. The occasion was a visit on April 4 by Lord Roberts, who, after inspecting the company, called out and shook hands with Trooper Hugh Blair, whose brother, an officer of the Royal Engineers, had been badly wounded in the Candahar campaign. The Commander-in-Chief then made a brief speech to Colonel Lumsden and his troopers. Of this no shorthand note or transcription from mental tablets seems to have been made, but its meaning is probably expressed in the following letter which Lord Roberts wrote to Sir P. Playfair, C.I.E., Chairman of the Executive Committee of Lumsden’s Horse: ‘Dear Sir Patrick,—Many thanks for your letter of February 26. A few evenings ago I had great pleasure in inspecting Lumsden’s Horse immediately after their arrival here. I sent a telegram to the Viceroy to inform him that I had done so. They are a workmanlike, useful lot. I am sure they will do splendidly in whatever position they may be placed. It is most gratifying to hear the way in which the corps was raised. The sum subscribed by the public generally is the proof of the patriotism of the subscribers, especially Colonel Lumsden himself. You will have seen in the papers that we are detained here for a while until we can refit, but when this is done we shall move northward. I am confident that during our advance Lumsden’s Horse will do credit to
  • 42. themselves and to India. Believe me, yours very truly, (Signed) Roberts.’ A few days after that inspection the Commander- in-Chief sent to Colonel Lumsden a telegram he had received from the Viceroy. Lord Roberts’s secretary wrote as follows: ‘Dear Colonel Lumsden,—The Field- Marshal asks me to send you the enclosed telegram from the Viceroy, and to say that he fully agrees with the last sentence of it.—Yours sincerely, H.V. Cowan, Colonel, Military Secretary.’ Lord Curzon’s telegram said: ‘Lord Roberts, Bloemfontein.—We are delighted to hear of your kind reception of our Indian Volunteer contingent, and hope that they may have a chance of going to the front, where we are confident of their ability to distinguish themselves.—Viceroy.’ Carrying on the narrative from this point, but leaving the lighter incidents of life in Bloemfontein for other pens to chronicle, Colonel Lumsden deals briefly in his diary with the remaining period of A Company’s isolation, and brings it down to the day when the corps was to be reunited under his command. With natural gratification at the position assigned to him, he says: General Ian Hamilton is to command a division of 10,000 Mounted Infantry, of which Colonel Ridley’s brigade forms nearly a half, consisting of four corps of about 1,200 strong each. We are embodied with the 8th Mounted Infantry Corps, consisting of Loch’s Horse, ourselves, and various companies of Mounted Infantry from
  • 43. Regular battalions, under the command of Colonel Ross. Both Colonels Ridley and Ross are well known in India, and we are fortunate in being under their command and in having such a dashing divisional commander as General Ian Hamilton. Our first camp in Bloemfontein proved a sickly one, water being scarce owing to the Boers having blown up the waterworks and cut off the main supply. This, no doubt, has been the cause of numerous cases of dysentery, and our camp was shifted yesterday to a healthier locality, with a more plentiful water supply. Strange to say, we have had an attack of mumps among the men, emanating, we believe, from a native servant who developed that disease on board ship. I regret to say that Captain Beresford had to be taken to hospital yesterday, suffering from an acute attack of dysentery; but a few days of careful dieting will enable him to rejoin us, I hope. B Company, owing to the congested state of the railway traffic from Cape Town to Bloemfontein, was landed at East London, to proceed thence by rail to join us. Transport, however, was found to be equally difficult by that route, and in consequence the company had to march the greater part of the way. What meanwhile had befallen that force under the command of Major Showers may be told in the words of a trooper whose lively contributions to the ‘Indian Daily News’ do not seem to have been regarded as an infringement of a rule laid down in the mobilisation scheme by which volunteers for Lumsden’s Horse were warned that they would on no account be allowed to act as special correspondents for newspapers. This regulation, like many others, seems to have been more honoured in the breach than the observance. Taking up the broken thread where it was dropped some pages back, he writes:
  • 44. At Queen’s Town we had a fairly pleasant time, except on nights when it simply rained cats and dogs and hailed as well. Most of our tents leaked badly, so we were rendered thoroughly uncomfortable. The horses and the unfortunate stable pickets (I was one, and speak from personal experience) were in a wretched plight, without shelter of any kind. When the storms were at their worst, and picketing pegs would not hold in the soft ground, we may have used words that were not endearing to horses that got loose. On April 2 we were told that the company would start on the 4th, marching to Bethulie, waggons for our horses not being available then, but that we should probably entrain a few stations further up. We were informed that all superfluous clothing, &c., would have to be packed up and returned to East London, and each man would only be allowed to take one kit bag, weight not to exceed thirty pounds. We therefore set to work, and cudgelled our brains trying to decide what to take and what to leave behind—no easy task, I can tell you. However, the die was cast at last, and we were ready for kit-bag weighing next morning. Several of the men had evidently rather vague ideas on this point, and, after filling their bags to a weight of forty or fifty pounds each, had to repack them, much to their disgust. We left next day, our destination being Baileytown, a small place about thirteen miles distant. We were all, of course, in full marching order—supplied with water-bottles, haversacks, bandoliers, rifles, and corn-bag. The first three were hung round our shoulders, the rifles in the bucket on the off side of the saddle, and the corn-bag slung to the saddle. I was not accustomed to it; the strain on the shoulders is pretty severe; and we were all glad when Baileytown drew in sight. This march gave us a very good opportunity of examining the country, and as we passed kopje after kopje it was very easy to realise how difficult a task it is to dislodge the Boers from their veritable strongholds. Arriving at Baileytown about 5 p.m., and finding no tents there, we bivouacked, and found the bare veldt no such uncomfortable bed after all. We spent the whole of the next day there, and as very good grass was plentiful on the slope of the hills the opportunity was taken of knee-haltering and grazing the horses. Resumed our march
  • 45. next day; did about twenty-two miles by 3 o’clock in the afternoon, when a halt was made at a place called Sterkstroom. Here, to our delight, orders came for us to be sent off at once by train. We spent a very busy afternoon unloading kits from the transport carts and reloading them into railway waggons, and entraining horses. The animals seem to be getting reconciled to this constant training and detraining, and behaved very well indeed. By 8.30 we were all ready to board the train. No more luxurious second- and third-class carriages for us poor privates now. We were packed like sardines in a box into three covered trucks, about forty or fifty men in each. It was quite dark, and no lanterns were given us, or, rather, there was an apology for a lantern in our truck, but it hardly made darkness visible; kits and men all over the place, and little, if any, room to sleep—a very weary night indeed for most of us. We arrived at Burghersdorp at 11 A.M. next day, and stayed there about two hours. All sorts of rumours were current about the close proximity of the Boers. We were informed that fighting was expected at a station north of Bethulie. At this latter place the troops had slept in the trenches all night in momentary expectation of an attack. There were said to be three or four thousand Boers hovering round in the hills adjacent to these places, having been cut off in an attempt to retreat beyond Bloemfontein. We did not reach Bethulie till 8 o’clock that evening, having to wait at various sidings for down trains, of which there were a good many. Not expecting to detrain till the following morning, we had made ourselves as comfortable as circumstances permitted for the night when orders were issued to get out and encamp close by at once. In a moment all was excitement, orders ringing out constantly, and men hurriedly getting their kit together—an almost hopeless task in the darkness. However, it was not long before all the men, horses, and kit were out and on their way to camp. Arrived there, we picketed the animals, and by 2 A.M. had quite settled down for the night. No peace for us, however, as orders went round that we must be ready saddled by 4.30, in case our services should be required. It turned out to be a false alarm, however, so after waiting till 8 o’clock we took the horses out to exercise. Bethulie, straggling along the
  • 46. northern bank of Orange River, is just on the borders of the Free State. The railway bridge, an eight-span one, has been completely destroyed by Boers, and I must say they have done their work very cleanly; five out of the eight spans have been cut right through by charges of dynamite. Fortunately, however, there is a waggon bridge here also, which reinforcements, coming up in time, were enabled to save from destruction, and, lines having been placed across this, one truck at a time is taken over. This important point of communication is now very strongly guarded by regiments of Infantry on each side of the river. Nearly all of us took the opportunity of having a glorious bath in the river, and did a little amateur clothes-washing. Practice will make perfect, no doubt, but at present we don’t take very kindly to it. At 3 in the afternoon we got orders to saddle up in readiness to march as an escort to 600 transport mules for Bloemfontein. The rearguard came on with our own transport, and, as the latter only move very slowly, they marched all night and did not arrive at Spytfontein—the halting-place, nineteen miles distant—till about 3 A.M. Fortunately, there was brilliant light from the new moon; otherwise the slow progress with refractory mules would have been dreary indeed. As it was, we marched along as silently as possible, and had the feeling that we might be attacked at any moment. The Kaffir drivers, however, could not be restrained from shouting in shrillest notes and cracking their long rhinoceros-hide thongs with sounds like rifle-shots as they ran to head off wayward stragglers. All night long the red dust rose from the hoofs of those 600 mules in stifling clouds. This is a most desolate-looking country, miles beyond miles without passing a single human habitation. Towards the end of the march, whether through sheer exhaustion or from the effects of the moonbeams (one of our sages started this theory next day), half the men went to sleep in their saddles. I was one of the somnolent ones, and my horse took me several yards in front of the main body, and I awoke with a start to hear my companions silently chuckling at the situation. The only remedy was to get off and march alongside our horses, and several of us did this. Natives told us afterwards that Boers had been hanging on our flanks all through that march, and
  • 47. the only thing that saved us was our water-cart, which they mistook for a gun-carriage. The Boers must have changed a good deal since then if they could be so easily deceived. We left Spytfontein about 7 o’clock that morning and arrived at Springfontein at 3 in the afternoon. Here the orders were for us to start again next morning, escorting a Maxim battery of four guns to Bloemfontein, in addition to the 600 mules we already had under convoy. I may mention that one section of our company always acted as advance guard, throwing out scouts in front and on the flanks; the duty of these scouts being to search the kopjes on either side of the road, and communicate with the main body by hand signals should any enemy appear in sight. Starting from Springfontein early on April 10, we did a march of fifteen miles to Jagersfontein. Here Jim, having pity for my lameness, took my horse to water while I, in return, prowled round and found a little house where the womenfolk agreed to let us have tea. I was shown into the drawing-room, which looked very cosy by comparison with the dreary veldt. Ordered tea for six and went to gather my pals for the feast. After I had groomed my horse, fed him, and put his jhool on, we went off to the small house. But, alas! the tea was all gone. Six other men had been there and declared that I had ordered it for them. This is the first example of ‘slimness’ recorded to the credit or otherwise of Lumsden’s Horse. At 4 o’clock next morning a party of us went out on patrol duty among the surrounding hills. We had our magazines loaded and in the dim morning light it was rather exciting work marching silently along with the chance of meeting the enemy at any moment. We stayed out till about 7 o’clock, having thoroughly examined the surrounding country from the top of a high kopje, without discovering any traces of Boers. After half an hour for breakfast, we started on the day’s march, which it was intended would be a short one of fifteen miles; but it rained so heavily about noon, and for an hour or two afterwards, that on arrival at the camping-place we found it to be a mass of liquid mud and grass, and the Major decided to keep marching on for Edenburg, about eight miles distant, in the hope that it would be drier there. But it continued to pour steadily all the afternoon, and we arrived to find
  • 48. our camping ground at Edenburg inches deep in water. We had no tents, so simply wrapped ourselves in our blankets and slept where we could. Many of us woke an hour or two afterwards, and found ourselves wet to the bone, and in preference to trying to sleep again we made a good fire and sat round this all night. There were a few men of one of the New Zealand Volunteer regiments encamped here also, in charge of sick horses, and they very kindly supplied us with hot cocoa—a most grateful and comforting drink on such a night. They gave us very graphic descriptions of hard times in the field. They had seen lots of fighting, being used mainly, if not entirely, as scouts. They told us how difficult it was to find the enemy, who kept hidden among rocks on the kopjes and never fired till our men were within about a hundred yards. As soon as the first shot was fired, the scouts turned and galloped for their lives, and the artillery then began to shell the kopjes. Next morning we saw several Boer prisoners, among them being a lad of about eighteen, who had killed a Major in one of our regiments while coming towards him with a flag of truce in his hand. Near the place where we had bivouacked quantities of buried Boer ammunition and guns were discovered. We continued our march at about 1 A.M., and encamped in the afternoon at a small place called Bethany. Here a night attack was expected, a Boer commando of several thousand men being reported in the vicinity. The men of the Maxim battery stood to their guns all night on a kopje close by, and about thirty of us accompanied them as an extra precaution. Cossack posts were also thrown out. Locusts, of which we had already met several swarms on our march up, literally covered the hill-sides here, and, getting down our backs and up our sleeves, took some dislodging. No alarm was given, so we passed the night in peace. We resumed our march on Good Friday, and, reaching Kaffir River in the afternoon, encamped there for the night with Regular regiments—Guards, Highlanders, and several others. Camps were fairly far apart, and after picketing horses, drawing forage, and eating our frugal meals, we had no time for exchanging visits or getting any news from the various regiments we met at our stopping-places. However, there was consolation for us when we received our first budget of home and Indian letters, one of the men
  • 49. from A Company, then at Bloemfontein, having been sent down with them. Up to this point the march had been across monotonous veldt, mostly flat, treeless, and uninteresting. Here and there, where the ground held moisture, little pink flowers of a wood sorrel showed, and nearly every mile one came across some fresh variety of aster or daisy-like flower with composite crown shining brightly in the coarse grass. Occasionally the ridges were rich with clumps of heath, scarlet, yellow, and white, but not enough to relieve the general dreariness of distances across which one often looked in vain for any sign of cultivation. Ant-hills and the burrows of ant-bears were on all the veldt, and we had to wind our way among them, following no well-defined road, but only a track, the general direction of which was marked by a browner thread running across the tawny veldt. Several horses blundered into the bear-holes and brought their riders to grief, much to the general amusement. One trooper who rode ahead waving his hand and warning those who followed by frequent cries of ‘’Ware hole! ’Ware hole!’ suddenly disappeared, and we heard him groan as his horse rolled over on top of him, ‘Here’s one, and I’m into it.’ It was nearly dark then; but dead horses, mules, and dying oxen marked the track by which other convoys had gone. We felt glad that our transport ponies were not to share their fate. They had proved quite useless for drawing the heavy loads in this country, so we left them behind at Sterkstroom, sending all our baggage-carts on by train, while we marched and bivouacked with only the blankets and supplies that could be carried on our own horses. It was at Edenburg, I think, that after a wet march we got leave to go into the town, hoping it might be possible to get something better than the perpetual ‘bully beef’ and biscuits, but the only room we could find in the only decent hotel was wanted for officers. However, a little man of the Derby Militia came and showed us a small Boer ‘Winkel,’ where we got excellent tea, bread, and jam. The Derby man said he knew where he could buy some butter, which was all we wanted to make us happy. C—— gave him 2s. to go and get it. We finished our meal without that butter, and the Derby man didn’t return. So we went back to find everything in
  • 50. camp wet, muddy, and beastly. To add to our misery, a thunderstorm came on, and while we wallowed in slush there were empty houses with roofs to them not half a mile off. From Kaffir River we might easily have done the distance to Bloemfontein in one march, as it was only nineteen miles; but there was apparently no reason for hurrying, so we spent one more night in bivouac at Kaalspruit, and on Easter Sunday, in the afternoon, marched through Bloemfontein to our camp, which was three miles beyond. We only got a glimpse of the town in passing through its central square and along the main street, but, considering it was the capital of the Free State, I don’t think any of us were very much struck with it at first sight. Colonel Lumsden and A Company welcomed us very warmly. Our tents were already pitched and food prepared, so we soon settled down in our new quarters, A Company’s men receiving us as their guests and treating us most hospitably. There the trooper’s narrative ends, and Colonel Lumsden follows with a well-deserved tribute to Major Showers and the men of B Company, saying: They made a very plucky march up, the officers and men carrying nothing but their greatcoats and blankets, and sleeping out every night in the rain. It was too much of a trial for the ponies to pull their carts over the hilly and heavy going; and, as I said before, this method of transport had to be abandoned, and their carts and baggage railed up. Considering the long and trying marches they had undergone, I consider both men and horses looking wonderfully fit. A certain proportion of them, however, were not in condition to resume immediate work. Therefore, to replace these and in lieu of thirteen casualties on board ship and en route, I have procured from Prince Francis of Teck, the remount officer, twenty-six Argentine cobs, which, although not up to the standard of our Indian mounts, are nevertheless a boon to us in the circumstances, in a situation where horseflesh is at a premium. A certain amount of kit and necessaries had been lost by both companies during our journey here; but, it
  • 51. being our first demand on the military authorities for such, we had no difficulty in getting our requirements satisfied. We are now (April 18) under orders to move to-morrow for Spytfontein, five miles to the east of Karree Siding station, halting for the night at Glen. There has been heavy rain for the past four days, and it will be bad travelling, especially crossing the drift at Modder River. I have been fortunate in being able to retain the whole of our transport, which privilege has not been granted to any other unit, and shall to-morrow be complete in every respect. The men are in keen spirits, as our post is to be an advanced one and within range of the Boer outposts. I regret to say that Captain Beresford is no better, and will, I fear, have to be invalided home.
  • 52. CHAPTER VII IMPRESSIONS OF BLOEMFONTEIN—JOIN THE 8th MOUNTED INFANTRY REGIMENT ON OUTPOST Long streets, ill-paved and deep in mud or dust; a low stoep-shaded cottage with vines trailing about its posts here and there between long rows of featureless shops; a large market square where no farm produce is displayed; a club frequented by British officers who have little time to lounge; several churches of the primmest Dutch type, with tall steeples that cut sharply against the clear sky in lines uncompromisingly straight; some public buildings, pretentious without grace or beauty; on one side a steep hill terraced with houses of which little but the corrugated iron roofs can be seen; on the other, roads that straggle off to level outskirts, where villas painfully new stand in the midst of flowerless gardens surrounded by barbed wire. These were the first impressions of Bloemfontein gathered by Lumsden’s Horse, and few troopers had any opportunity to modify these impressions in more favourable circumstances afterwards. The camp to which A
  • 53. Company went originally at Rietfontein was within two miles of the town, and might have been pleasant enough if thousands of hoofs had not cut up its turf, and the ground had not been used as a dumping- place for rubbish which Boer commandos could not turn to any use. Some of them had been there before Lumsden’s Horse, and several British regiments also. So many tens of thousands of soldiers were camped round about the town that they may have interrupted the currents of salubrious air which made Bloemfontein famous in other days as a resort for invalids. There were plenty of invalids to be seen there in the early weeks of April 1900, but they did not regard it as the best type of sanatorium, and men who had to sleep in small tents on the reeking ground of Rietfontein would not willingly go there again in search of health. They had hardly begun to realise how serious was the stoppage of a fresh water supply which the Boers had cut off from the main at Modder River. Hundreds of old wells existed in the town and its outskirts, and by opening these enough water could be drawn for immediate wants. But, alas! the water had been undisturbed since Bloemfontein began to draw its supply from the distant waterworks some six or seven years earlier. What impurities had drained into the wells during all that time nobody knew until hospitals filled rapidly with patients suffering from enteric and dysentery. Rietfontein was showing
  • 54. symptoms of an outbreak, and so, after a week under canvas there, Lumsden’s Horse got the welcome order to strike camp and form a new one some three miles farther north, by Deel’s Farm, where a clear spruit flows over its bed of white gravel between banks that are shaded by tall eucalyptus trees and drooping sallows. After days on duty, in which they were not allowed to be slack, troopers felt little inclination for walking the four or five miles to Bloemfontein, which did not become more cheerful as the number of troops increased, except for the traders, who were rapidly getting back all they had lost by the war and a great deal more. Officers had always the chance, whenever they could get away from camp for an hour or two, of pleasant social meetings at the Bloemfontein Club, where generals, regimental commanders, and company officers from other brigades came together for a little while at lunch or afternoon tea and exchanged all the rumours that could be told in a few minutes—and they were many. It was a place of strange meetings. Men from the uttermost corners of the earth, who had perhaps not seen each other for years, foregathered there, only to separate a little later and go on their ways with different columns, none knew whither. Troopers had similar experiences in the streets and inns of Bloemfontein, where nearly every regimental badge of the British Army and every
  • 55. distinguishing plume adopted by Irregulars who had come to fight as ‘soldiers of the Queen’ were to be seen in a variety that seemed endless. Brothers whose paths in life had parted when they left school, one going east, another west or south, came face to face in the streets of that little Free State town or rubbed shoulders in a motley crowd of khaki-clad soldiers, sometimes without recognising each other, until accident gave them some clue. A rough word or two of careless greeting, a tight hand-grip, a steadfast look into eyes that remind the boys of father or mother, a light laugh on lips that might otherwise betray too much feeling, a drink together (if it is to be had), for ‘Auld Lang Syne,’ and then with a jaunty ‘So long, old chap,’ they part again. It is a superstition, or at any rate a recognised custom, not to say ‘Good-bye’ in such circumstances. But if men only thought of its literal meaning, what better wish could there be? Yet, for all its stir and bustle and dramatic incidents, Bloemfontein was a dull place in those days for any man who entered it and found no intimate friends there to greet him. Comrades they all were, but in a rough-and-ready sort of comradeship that needed the fire of the battlefield to try it and perchance anneal it into something stronger than the ties of mere kinship. But this is a thing which only soldiers understand, and seldom even they. Lumsden’s Horse knew it not then, but for some of them the secret was to be disclosed
  • 56. before many days had passed, and in a form that will never fade from their memory. Meanwhile, they went about their duties methodically enough in camp or took their pleasures sadly in streets where thousands of soldiers wandered daily, finding no entertainment, no place of resort except dingy bars, where liquors of more than alcoholic potency were sold, and very little change from campaign fare except at a price that made even the necessaries of life prohibited luxuries for a man who had no more than his shilling a day to spend. One of Lumsden’s Horse who was sent into Bloemfontein on orderly duty gives a vivid sketch of all this in a few touches that are the more graphic because they only pretend to note passing impressions. Writing a day after B Company’s arrival at Deel’s Farm, he shows how the men had to rub their horses down while standing inches deep in mud. So much rain was out of season, but South Africa is, like other places, occasionally fickle in this respect. To troopers it did not seem an ideal way of spending Easter Monday, and the whistle, of which officers made free use, must have been irritating to nerves already overstrained, for it is never mentioned without a forcible prefix. However, when rain ceased and sunshine appeared for an hour in the afternoon, these men were merry enough at a game of cricket, which, by violating all the higher rules, must have reminded them of similar sports in England when they were
  • 57. boys and welcomed Easter Monday as the day of all others appropriate to cricket. The next morning a great cheer rolled from camp to camp, and Lumsden’s Horse, responding lustily, passed it on to the next without asking what the unusual excitement meant. When they heard afterwards that troops were cheering because ‘Kruger had surrendered,’ a strange depression took hold of them. At that moment all the discomforts and drudgery of a soldier’s life were forgotten in the humiliating thought that the corps would have to go back to India without a chance of proving itself in battle. It turned out, however, to be all mere rumour, though not so baseless as some of which Lumsden’s Horse had after-experience. The Transvaal President’s offer to negotiate for peace on terms all in his own favour must have been known in England then, and in some mysterious way a reflex of it came to camps on the veldt, where troops, who had seen plenty of the fighting that Lumsden’s Horse were eager for, welcomed the illusive tidings with a cheer. In its train, however, came something nearly as good —a post bringing letters from ‘England, home, and beauty,’ and for one non-commissioned officer at least ‘a parcel full of excellent things.’ Before he had time to enjoy these he was under orders for Bloemfontein, and after a ride through pouring rain he got there in time to hear another disconcerting rumour, and to find some of his comrades selling their kit because ‘they
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