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Create an ER database model to include the following business rules for the Products company: Each sales representative writes many invoices. Each invoice is written by one sales representative. Each sales representative is assigned to one department. Each department has many sales representatives. Each customer can generate many invoices. Each invoice is generated by one customer

Create an ER database model to include the following business rules for the Products company: Each sales representative writes many invoices. Each invoice is written by one sales representative. Each sales representative is assigned to one department. Each department has many sales representatives. Each customer can generate many invoices. Each invoice is generated by one customer

Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter10: Transaction Management And Concurrency Control
Section: Chapter Questions
Problem 1P
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Create an ER database model to include the following business rules for the Products company:

  1. Each sales representative writes many invoices.
  2. Each invoice is written by one sales representative.
  3. Each sales representative is assigned to one department.
  4. Each department has many sales representatives.
  5. Each customer can generate many invoices.
  6. Each invoice is generated by one customer.
  7.  
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