Texas Cars LLC Project Sponsor: Bob Smith CEO of Texas Cars LLC Phone: 281 990-9725 Fax: 281 555-5555 Email: bob.smith@texascars.com Presented By Arlo Carreon Elvis Candelaria Nupur Agarwal Swetha Srinivasan
Table of Contents Business Background Business Requirements DFD Structure Chart Logical Design Physical Design ER Diagram in Access Customer Form and Report
Business Background Texas Cars is a privately owned car dealership in the State of Texas Deals with buying/selling used cars. Texas Cars is composed of 5 franchises: Houston, Dallas, Austin, San Antonio and Corpus Christi. Administrative Office: Houston, TX
Business Requirements Design/create Database for Texas Cars’ inventory system. Create a login portal for administrative personnel for each branch. Create a login portal for potential customers to create wish lists. Browse through the cars according to specifications such as make, model, color, price, mileage and type.
Context Diagram
Level 0 DFD
Level 1 Process 2 DFD
Level 2 Process 2 DFD
Level 1 Process 3 DFD (Run Reports)
Structure Chart
Logical Design – ER Diagram
Physical Design Customers (Cust_ID, Mobile_num, Email_address, Other_cust_details) Addresses (Address_id, Cust_id, Address_line1, Address_line2, City, State, Zip_code) Car Features (Car_Feature_ID, Feature_desc) Inventory (Car_inventory_ID, Mfg_name, Model_ID, Vehicle_cat_ID, Price, Mileage, Purchase_date, Year_registrated, Car_Feature_ID) Car Models (Model_ID, Mfg_code, Model_name, Model_year) Car_manufacturers (Mfg_name, Mfg_details) Vehicle_categories (Vehicle_cat_id, Vehicle_cat_desc) Customer_preferences (Cust_pref_id, Car_feature_id, Cust_id, Cust_pref_details) Cust_search (Search_id, Cust_id, Search_Date) Cust_search_details (search_details_id, Model_id, Model_year, Feature_id, Mfg_name, Search_id)
ER Diagram in Access
Customer Form
Customer Report
Questions ?