Texas Pipe and Supply Presentation #3

Outline Review Business Requirements Context Diagram Level 0 DFD System Diagram ER Diagram Interface Design

Business Requirements Using the Web, the inventory clerks will be able to search a main inventory database and locate parts that are on hand to purchase. Clerks can place orders for customers, retrieve past orders by the invoice number, and also track an existing customer’s credit. Access from any computer with internet capabilities Search the Texas Pipe and Supply Inventory Database Place orders for customers Keep track of customer information such as address and credit limit

Context Diagram

Level 0

Level 0 cont.

Level 1

System Diagram

ER Diagram

Sample Interface