Subject: Database Topic: EERD -Based on the information given below, draw the conceptual EERD where you should include the enhanced features. [Using UML Design] A car dealership wishes to maintain data about the customers who purchase a car. Each customer may purchase one or more vehicles and each vehicle can be purchased by many different customers over time (for example, a customer may purchase a new vehicle, trade that vehicle in and someone else can purchase the vehicle traded in.) Data that the dealership wishes to keep regarding customers includes customer identification number, name, address, home phone, work phone, cell phone and e-mail address. Information about vehicle includes vehicle identification number, make, model, year, transmission type, engine size and color. Vehicles can be a member of one of the following categories: cars, trucks, minivans or SUVS. A vehicle can be a member of only one category at a given time. Trucks, minivans and SUVS have unique attributes — cars does not. Trucks have the following unique attributes: Cab (example: regular, super or crew) and Driver (for example: 94X2 or (4X4); Minivans have Accessory package and SUVS have SUV style. The dealership is interested in the date of Purchase, amount of sale and Salesperson(s) completing each sale.
Subject:
Topic: EERD
-Based on the information given below, draw the conceptual EERD where you should include the enhanced features. [Using UML Design]
A car dealership wishes to maintain data about the customers who purchase a
car. Each customer may purchase one or more vehicles and each vehicle can be
purchased by many different customers over time (for example, a customer may
purchase a new vehicle, trade that vehicle in and someone else can purchase
the vehicle traded in.) Data that the dealership wishes to keep regarding
customers includes customer identification number, name, address, home
phone, work phone, cell phone and e-mail address.
Information about vehicle includes vehicle identification number, make, model,
year, transmission type, engine size and color. Vehicles can be a member of one
of the following categories: cars, trucks, minivans or SUVS. A vehicle can be a
member of only one category at a given time. Trucks, minivans and SUVS have
unique attributes — cars does not. Trucks have the following unique attributes:
Cab (example: regular, super or crew) and Driver (for example: 94X2 or (4X4);
Minivans have Accessory package and SUVS have SUV style.
The dealership is interested in the date of Purchase, amount of sale and
Salesperson(s) completing each sale.
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