1. University Car Rental Project Vision Consulting Donna, Lap, Lisa & Tom
Project Overview
University Car Rental Project
Vision Consulting
Donna, Lap, Lisa & Tom

2. Project Goals Entity Descriptions High Level ER Diagram
Process Flow Diagram
ER Diagram with Primary Keys
Functional Hierarchy
Attribute Definitions
Data Model

3. Project Goals Table DLL Table Constraints Index DDL Sample Data
Trigger Definitions

4. Entity Descriptions
Customer: Any individual who either makes a reservation or rental agreement with University Car Rental
Reservation: A record of non-binding agreement between University Car Rental and a CUSTOMER to provide a CAR of a particular type, at a certain LOCATION for a defined period of time.
Rental: A record of an open agreement between University Car Rental and a CUSTOMER to take and return a CAR for a fee.
Car: A vehicle that University Car Rental company controls and intends to RENT to CUSTOMERS
Location: A site where University Car Rental may keep and rent CARS
Customer: Any individual who either makes a reservation or rental agreement with University Car Rental
Reservation: A record of non-binding agreement between University Car Rental and a CUSTOMER to provide a CAR of a particular type, at a certain LOCATION for a defined period of time.
Rental: A record of an open agreement between University Car Rental and a CUSTOMER to take and return a CAR for a fee.
Car: A vehicle that University Car Rental company controls and intends to RENT to CUSTOMERS
Location: A site where University Car Rental may keep and rent CARS

5. Overview RENTAL RESERVATION VEHICLE
A reservation is not required for a rental
RENTAL
RESERVATION
A Reservation may or may not be one or many rentals
BUSINESS RULES:
A customer may reserve one or more cars of particular type. Customer may make more than one reservation. Customer history is kept indefinitely. Considered a customer only at the time of rental
A car can only have one driver. A car's rate may not match the rental rate. Car type is guaranteed or customer is upgraded. Pricing is based on car type. Car types compact, subcompact, full-sized are comprised of many makes and models.
A reservation may not turn into a rental. Reservations can be changed and therefore updateable. Reservation may be cancelled. A car type may be specified in one or more reservations. A reservation has only one car type. Pick-up and Drop-off locations may be different. Valid credit card is required to reserve a car. Driver information is not required to make a reservation. We keep track of how the reservation came in (phone, kiosk, fax, web, etc.)
A car may be in service, rented, or available in a parking space on site
A rental may or may not be the result of a reservation. For a car to be rented it must be in service and onsite in one and only one parking space. If the reserved car type is not available at time of rental, customer pays the reserved rate for upgrade
A parking space has only one car at a time. Parking space identifiers are not unique across sites. A parking space may be empty. A customer may pick-up or drop-off a car at a different site. A customer may return the car at a different time than stated.
A Reservation reserves a rate
VEHICLE
A vehicle is available for only one rental at a time

6. Process Flow Diagram . A) A customer may reserve one or more cars
Walk in Rental
Renting a
Car
Makes
Reservation
Reservation Info
Rental Info
Customer
Making a
Reservation
returns car
Reservation
Info
Check reservation,
Update Rental Info
Reservation
Rental
Car
Car
Car Info
Rented
Returning
a Car
Car
Update location,
A) A customer may reserve one or more cars
B) Each reservation is for one and only one customer
C) A reservation has only one car type
D) Each car may have a reservation
E) Each car has only one status
F) A status type can apply to more than one car
G) A reservation may result in many rentals
H) Each rental may or may not have a reservation
I) Each car is one rental
J) Each rental is for one car
K) A parking spot can only have one car
L) A car may or may not be at a particular location
M) One customer rents one and only one car
N) A car is rented by one and only one customer
O) Each car has one and only one rate
P) Each rate is for one type of car
availability
Update Location
Car Delivered to
Customer
Location
Customer Info
Customer
Customer Info

7. Description
University Car Rental Business Function: To rent cars to local universities in an efficient, timely, and cost effective manner.
FOR MORE INFO...
Lisa - Senior Marketing Analyst, Vision Consulting

8. Description
Vision Consulting is responsible for the design and development of the application system supporting the University Car Rental operations.
FOR MORE INFO...
Donna- Project Manager, Vision Consulting

9. Description
The application system will collect and track data pertaining to customer information, reservation information, rental information, car information, information on the car location, and information on car status.
FOR MORE INFO...
Tom - Senior Business Analyst, Vision Consulting

10. Description
All the data will be integrated together in a relational database accessed by representatives of University through a front end system which is currently in the planning stages.
FOR MORE INFO...
Lap - Senior Data Architect, Vision Consulting

11. ER Diagram with Primary Keys
A) A customer may reserve one or more car
B) Each reservation is for one and only one customer
C) A reservation has only one car type
D) Each car may have a reservation
E) Each car has one and only one rate
F) Each rate is for one type of car
G) One customer rents one and only one car
H) A car is rented by one and only one customer
I) A reservation may result in many rentals
J) Each rental may or may not have a reservation
K) Each car may be rented many times
L) Each rental is for one car
M) A parking spot can only have one car
N) A car may or may not be at a particular location
O) Each parking lot site has many parking spaces
P) Each location has one address, manager etc.

12. Functional Hierarchy Process Reservation Process Rental
Process Car Return
A000 Process Reservation
A001: Take Cust Information
A002: Reserve Car Type
A003: Reserve Car Quantity
A004: Enter Pick-Up Date & Time
A005: Enter Drop-Off Date & Time
A006: Enter Pick-Up Location
A007: Enter Drop-Off Location
A008: Take Credit Card Info
A009: Validate Credit Card
A010: Quote Rates
A011: Change Reservation
A012: Cancel Reservation
A013: Reservation Source (phone, fax, kiosk, web etc.)
A100 Process Rental
A101: Take or Verify Cust Information
A102: Take Driver License Information
A103: Take Credit Card Information
A104: Check Availability for Preferred Car Types & Lot Sites
A105: Take or Verify Pick-Up & Drop-Off Dates, Times, Locations
A106: Note Special Options Required
A107: Take imprint of Credit Card
A108: Print off Rental Agreement
A109: Sign Agreement
A110: Provide Directions to Lot Location #

13. Functional Hierarchy Process Reservation Process Rental
Process Car Return
A200 Process Car Return
A201: Enter Car Information
A202: Enter Drop-Off Period-Dates, Times, Locations
A203: Enter Drop-Off Site ID & Name
A204: Check Rental Pick-Up Period-Dates, Time, Locations
A205: Process Customer Payment
A206: Perform Maintenance Check
A207: Status Car