Group Members: Tien Ho Linda Early Steve Meeks

Who Dunnit Bookstore System Request  Project Sponsor: Thomas Jones, Owner of WhoDunnit Bookstore  Phone: (713) 

Who Dunnit Bookstore  Founded in 1980  Privately owned, independent bookstore  Annual revenue: $750,000  Brand recognition nationwide  Specializes in mysteries  Book sales restricted to in-store purchase  Extremely loyal existing local customer base  Frequent host of book signings where customers can meet authors and receive autographed copies Review :

Business Requirement:  Search the books by ISBN, title, author, publisher, and keyword.  List the price, quantity, and condition of the book  Capture the basic information from customers such as shipping address, , name and zip code.  Allow customers to pay on line without leaving the site (previous system rejected)  When transaction is approved, send confirmation and request inventory system to ship the book  Generate sales and inventory reports

Data Flow Diagrams  Internet Bookstore System  Data flow to and from external entities, data stores, and processes.  Three external entities Customer Manager In-store Staff

Context Level Diagram

Level 0 Diagram (Metadata)  4 Processes 1. Create Customer Account 2. Find Book 3. Process Order 4. Process Billing  4 Data Stores (D1) Customer Account (D2) Customer Account (D3) Book Inventory (D4) Sales Information

Level 0 Diagram

Level 1 Process 1 (Metadata)  1 External Entity Customer  2 Processes 1.1 Input Customer Information 1.2 Verify Customer Information  1 Data Store (D5) Customer Database

Level1 Process 1 Diagram

Level 1 Process 2 (Metadata)  1 External Entity Customer  2 Processes 2.1 Search Book Inventory 2.2 Provide Book Information  3 Data Stores (D6) Author (D7) Keyword (D8) ISBN

Level 1 Process 2 Diagram

Questions? Comments?