Question: Reminder: The ERD only has rectangles, lines, and tick marks (maximum and minimum cardinalities). There shouldnt be any diamonds or ovals on the ERD. The

Reminder: The ERD only has rectangles, lines, and tick marks (maximum and minimum cardinalities). There shouldnt be any diamonds or ovals on the ERD. The attributes will be on the relational schema so there is no reason to list them twice.

Given the following scenario, draw (1) an ERD and (2) a relational schema.

  • A car dealership store sells cars, products, and services.
  • The car dealership store has customers. Customers are considered customers even if they never buy anything from the dealership.
  • The car dealership has employees that work on commission.
  • The car dealership has only one location.

Assumptions:

The employee commission rate can differ between employees

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