1. Texas Cars LLC Project Sponsor: Bob Smith CEO of Texas Cars LLC
Phone:
Fax:
Presented By
Arlo Carreon
Elvis Candelaria
Nupur Agarwal
Swetha Srinivasan

2. Table of Contents Business Background Business Requirements DFD
Structure Chart
Logical Design
Physical Design
ER Diagram in Access
Customer Form and Report

3. 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

4. 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.

5. Context Diagram

6. Level 0 DFD

7. Level 1 Process 2 DFD

8. Level 2 Process 2 DFD

9. Level 1 Process 3 DFD (Run Reports)

10. Structure Chart

11. Logical Design – ER Diagram

12. Physical Design
Customers (Cust_ID, Mobile_num, _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)

13. ER Diagram in Access

14. Customer Form

15. Customer Report

16. Questions ?