Dbconap quiz01
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The document contains two parts. Part 1 asks questions about data, information, entity attributes, relations, primary keys, and data integrity restrictions. Part 2 lists topics to enumerate, including database functions, advantages of DBMS, components of a database system, building blocks of database design, and examples of DBMS. It also includes sample tables A, B and C showing products, suppliers and their attributes.
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Dbconap quiz01
- 1. 9-Oct-2010
- 2. Part 1: IDENTIFICATION (6 points) 1. What is the difference between DATA and INFORMATION? 2. The characteristic of an entity 3. One or more column of a relation that is used to identify a row, maybe unique or non-unique 4. A collection of related tables and structures 5. An attribute whose values match the primary key values in the related table 6. A restriction placed on the data which helps ensures data integrity
- 3. Part 2: ENUMERATION (14 points) (2) Functions of a database (2) Advantages of a DBMS (4) Components of a database system (4) Building blocks of a DB Design (2) Examples of DBMS
- 4. Table A PROD_ID PROD_NAME PROD_RATE 111Flashlight $2.00 112Telephone $5.00 113Hair Dryer $9.00 114Desk $12.50 115Lamp $10.00 Table B PROD_ID PROD_NAME PROD_RATE 248Bag $2.52 258Projector $5.80 249Calendar $9.70
- 5. Table B Supplier ID Supplier_NAME 1P&G 2Walmart 3SM Table A PROD_ID PROD_NAME PROD_RATE 111Flashlight $2.00 112Telephone $5.00 113Hair Dryer $9.00 114Desk $12.50