A car-rental company maintains a database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles: Trucks: cargo capacity. Sports cars: horsepower, renter age requirement. Vans: number of passengers. Off-road vehicles: ground clearance, drivetrain (four- or two-wheel drive). Draw E-R diagram and make sure to indicate key attributes, cardinality, and participation constraints.
A car-rental company maintains a database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles: Trucks: cargo capacity. Sports cars: horsepower, renter age requirement. Vans: number of passengers. Off-road vehicles: ground clearance, drivetrain (four- or two-wheel drive). Draw E-R diagram and make sure to indicate key attributes, cardinality, and participation constraints.
Principles of Information Systems (MindTap Course List)
13th Edition
ISBN:9781305971776
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter5: Database Systems And Big Data
Section: Chapter Questions
Problem 4SAT: The ______________ model is a simple but highly useful way to organize data into collections of...
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- A car-rental company maintains a
database for all vehicles in its current fleet. For all vehicles, it includes the vehicle identification number, license number, manufacturer, model, date of purchase, and color. Special data are included for certain types of vehicles:
Trucks: cargo capacity.
Sports cars: horsepower, renter age requirement.
Vans: number of passengers.
Off-road vehicles: ground clearance, drivetrain (four- or two-wheel drive).
Draw E-R diagram and make sure to indicate key attributes, cardinality, and participation constraints.
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