Sql ppt ch01

About the Presentations The presentations cover the objectives found in the opening of each chapter All chapter objectives are listed in the beginning of each presentation You may customize the presentations to fit your class needs Some figures from the chapters are included; a complete set of images from the book can be found on the Instructor Resources disc A Guide to SQL, Eighth Edition

A Guide to SQL, Eighth Edition Chapter One Introduction to Premiere Products, Henry Books, and Alexamara Marina Group A Guide to SQL, Eighth Edition

Objectives Introduce Premiere Products, a company whose database is used as the basis for many of the examples throughout the text Introduce Henry Books, a company whose database is used as a case that runs throughout the text Introduce Alexamara Marina Group, a company whose database is used as an additional case that runs throughout the text A Guide to SQL, Eighth Edition

What is a Database? Database : a structure containing categories of information and relationships between these categories Categories: sales reps, customers, orders, and parts Relationships between categories: sales rep-to-customer and customer-to-orders A Guide to SQL, Eighth Edition

The Premiere Products Database Premiere Products is a distributor of appliances, housewares, and sporting goods Manual system no longer feasible for managing customer, order, and inventory data Database management system will allow for current, accurate data with useful reports A Guide to SQL, Eighth Edition

Required Data for Sales Reps Number Last name First name Address Total commission Commission rate A Guide to SQL, Eighth Edition

Required Data for Customer Customer number Name Address Current balance Credit limit Sales rep number A Guide to SQL, Eighth Edition

Required Data for Parts Part number Description Number of units on hand Item class Number of the warehouse where the item is stored Unit price for each part in inventory A Guide to SQL, Eighth Edition

A Guide to SQL, Eighth Edition

Components of a Sample Order Heading (top of the order form) Order number and date Customer number, name, address Sales rep number and name Body (center of the order form) One or more order lines or line items Footer (bottom of the order form) Order total A Guide to SQL, Eighth Edition

Components of a Line Item Part number Part description Number of units for the part ordered Quoted price for the part Total, or extension, the result of multiplying the number ordered by the quoted price A Guide to SQL, Eighth Edition

Items Stored for Each Order Order number Date of the order Customer number Customer name, address, and sales rep information are stored with the customer information Sales rep name is stored with sales rep information A Guide to SQL, Eighth Edition

Items Stored for Each Order (continued) Order number, part number, number of units ordered Quoted price Part description is stored with information on parts Order total is not stored but is calculated each time order is displayed or printed A Guide to SQL, Eighth Edition

Sample Rep Table A Guide to SQL, Eighth Edition

Rep Table Example Three sales reps in the table identified by number Sales rep number: 20 Name: Valerie Kaiser Address: 624 Randall, Grove, FL, 33321 Total commission: $20,542.50 Commission rate: 5% (0.05) A Guide to SQL, Eighth Edition

Sample Customer Table A Guide to SQL, Eighth Edition

Customer Table Example Ten customers are identified by number Number: 148 Name: Al’s Appliance and Sport Address: 2837 Greenway, Fillmore, FL, 33336 Current balance: $6,550.00 Credit limit: $7,500.00 Sales rep: 20 (Valerie Kaiser) A Guide to SQL, Eighth Edition

Sample Part Table A Guide to SQL, Eighth Edition

Part Table Example Ten parts are listed by part number Part number: AT94 Description: Iron Units on hand: 50 Item class: HW (housewares) Warehouse: 3 Price: $24.95 A Guide to SQL, Eighth Edition

Sample Orders Table A Guide to SQL, Eighth Edition

Orders Table Example Seven orders listed by order number Order number: 21608 Order date: 10/20/2010 Customer: 148 (Al’s Appliance and Sport) A Guide to SQL, Eighth Edition

Sample Order_Line Table A Guide to SQL, Eighth Edition

Order_Line Table Example Nine order line items listed by order number Order number: 21608 Part number: AT94 (iron) Number ordered: 11 Quoted price: $21.95 A Guide to SQL, Eighth Edition

Alternative Orders Table Structure A Guide to SQL, Eighth Edition

Alternative Order Table Example Displays identical data in one table Each table row contains all of the order lines for each order Fifth row, order 21617 has two order lines Part BV06, Qty 2, Quoted price $794.95 each Part CD52, Qty 4, Quoted price $150.00 each A Guide to SQL, Eighth Edition

Issues with Alternative Order Table Difficult to track information between columns Other issues How much room is allowed for multiple entries? What if an order has more order lines than you have allowed room for? For a given part, how do you determine which orders contain order lines for that part? A Guide to SQL, Eighth Edition

Benefits of Order_Line Table Table is less complicated when separated No multiple entries Number of order lines is not limited Finding every order for a given part is simple A Guide to SQL, Eighth Edition

Henry Books Database Ray Henry owns Henry Books, a bookstore chain Data is to be stored in a database Needs forms and reports to work with the data Gathers a variety of information on branches, publishers, authors, and books A Guide to SQL, Eighth Edition

Data for Branch Table Number Name Location Number of employees A Guide to SQL, Eighth Edition

Sample Branch Table A Guide to SQL, Eighth Edition

Data for Publisher Table Publisher Code Name City A Guide to SQL, Eighth Edition

Sample Publisher Table A Guide to SQL, Eighth Edition

Data for Author Table Author number Last name First name A Guide to SQL, Eighth Edition

Sample Author Table A Guide to SQL, Eighth Edition

Data for Book Table Book code Title Publisher Type of book Price Is it a paperback? A Guide to SQL, Eighth Edition

Sample Book Table A Guide to SQL, Eighth Edition

Data for Wrote Table This table relates books and authors Book code Author number Sequence, for books with multiple authors A Guide to SQL, Eighth Edition

Data for Inventory Table This table indicates the number of copies currently on hand at a particular branch Book code Branch number On hand quantity A Guide to SQL, Eighth Edition

Sample Wrote and Inventory Tables A Guide to SQL, Eighth Edition Wrote table Inventory table

Alexamara Marina Database Alexamara Marina Group offers in-water storage to boat owners Has two properties Also provides boat repair and maintenance services Uses database to store information for managing operations A Guide to SQL, Eighth Edition

Data for Marina Table Marina number Name Street Address City, State, and Zip A Guide to SQL, Eighth Edition

Data for Owner Table Owner number Last and First names Street Address City, State, and Zip A Guide to SQL, Eighth Edition

Sample Marina and Owner Tables A Guide to SQL, Eighth Edition

Data for Marina_Slip Table Slip ID, Marina Number, Slip Number Length Rental fee Boat name and Boat type Owner number A Guide to SQL, Eighth Edition

Sample Marina_Slip Table A Guide to SQL, Eighth Edition

Service Data Maintenance service category information is stored in the SERVICE_CATEGORY table Information on the services requested is stored in the SERVICE_REQUEST table Stores service category, slip information, description and status, estimated hours, hours spent, and next service date A Guide to SQL, Eighth Edition

Sample Service_Category Table A Guide to SQL, Eighth Edition

Sample Service_Request Table A Guide to SQL, Eighth Edition

Summary Premiere Products Requires rep, customer, parts, orders, and order lines Henry Books Requires branch, publisher, author, book, and inventory Alexamara Marina Group Requires marina, owners, slips, service categories, and service requests A Guide to SQL, Eighth Edition

Sql ppt ch01

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Sql ppt ch01