1. 1 ICOM 5016 – Introduction to Database System Project # 1 Dr. Manuel Rodriguez-Martinez Department of Electrical and Computer Engineering University of Puerto Rico, Mayagüez

2. 2 Term Project Goal: –Build an application to manage the inventory of an on- line CD store –Enable administrators to keep track of: Customers Songs Albums Artists Record Labels (e.g. Sony, BMG) Sales Returns Profits

3. 3 Term Project Goals Enable administrators to: –Order more CD –Create reports about sales, loses, revenues, etc. –Send invoice to Credit Card Companies Enable customers to –Search for songs, artists, albums –Buy CDs –Returns CDs –See their shopping cart –See the status of an order

4. 4 Technical Requirements Application must follow a three-tier (middle-tier) organization GUI – Web browser –You have freedom to design your pages, as long as they ask for the required information Application Logic – Various Servlets running on Tomcat –Accounts will be given in ADASEL Database System – Oracle –Accounts will be given in ADASEL

5. 5 Information to be represented Customers – customer name, account number, mailing address, billing address, credit card information Album – album serial number, album title, artist, record label, release date, list of songs, musical category (salsa, rock, etc.) Songs – song name, duration, singer (could be more than one), author, album in which it appears (can be more than one)

6. 6 Information to be represented Record Label – record label name, label id, postal address, name of sales representative, phone number for sales rep., Customer Shopping cart – albums currently being considered for shopping by a given customer, amount per item. Orders placed – albums sold, quantity per item, card charged, order number, billing address, mail address, customer Items sold – CD purchased, customer, amount sold per item, date of purchase, order number

7. 7 Items to be represented Items returned – CD to return, customer, amount to return per item, date of purchase, date of return, order number Re-Supply orders – CD to re-order, record label, quantity, sales representative, re-supply order.

8. 8 Tasks You need to desing an E-R that identifies –Entities –Relationship Previous list is quite ambiguous. You need to identify each one and justify your classification. You are free to add more information as needed.

9. 9 Customer Operations to be supported Search songs by –Song Name, Artists, album name, –Returns list of CDs with that song Search album –Artists, album name, serial number, record label –Returns list of CDs with given search value Search artists –Artist name, album, song, record label –Returns list of CDs for a given artists Hit parade: Top 10 albums for current week –Can ask to classify by category

10. 10 Customer Operations to be supported Search Record label –Label name, name of artists, name of album –Returns list of CDs made by given label Add CD to shopping cart Delete CD from shopping cart Login and View Shopping Cart Login and Place order Login and Return CD Login and Track order status (in progress, shipped, cancelled)

11. 11 Manager Operations to be supported Report indicating total sales by day,week and month (all) Report indicating returns by day, week and month (all) Report indicating total revenue by day, week and month (all) Report indicating total sales grouped by artists –Ask for one of day, week or month Report indicating total revenue grouped by artists –Ask for one of day, week, or month

12. 12 Manager Operations to be supported Report indicating total sales for a particular artist –Ask for one of day, week or month Report indicating total revenue for a particular artist –Ask for one of day, week, or month Report indicating total sales for a particular album –Ask for one of day, week or month Report indicating total revenue for a particular album –Ask for one of day, week, or month

13. 13 Manager Operations to be supported Report indicating total sales for a particular record label –Ask for one of day, week or month Report indicating total revenue for a particular record label –Ask for one of day, week, or month Invoice to buy different albums from a given record label –Specify album and quantity

14. 14 Manager Operations to be supported Invoice to charge a given credit card company for a set of albums purchased by a group customer14 –Specify album and quantity

15. 15 Deliverables Friday October 10, 2003 –ER Diagram –Task Descriptions –Demo of GUI interacting with Servlets Actions just returns dummy values Friday, October 31, 2003 –Refinements and Corrections to ER Diagram –Refinements and Corrections to Task Description –Refinements of GUI –Relational Schema for application implemented –Demo all Queries running from the command prompt

16. 16 Deliverables Friday, December 5, 2003 –Final ER Diagram –Final Tasks Descriptions –User Guide for the system –Final GUI –Final Relational Schema for application implemented –Integration of GUI with queries Request are posed from GUI and sent to servlet Servlet maps request to one or more queries Queries are sent to Oracle via JDBC Results are acquired, formatted and sent back to browser. –Demo of Application that is fully operational