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Create a Crows Foot ER diagram for the following business Rules. Write all appropriate connectivities and cardinalities in the ERD. Create a data dictionary by
Create a Crows Foot ER diagram for the following business Rules. Write all appropriate connectivities and cardinalities in the ERD. Create a data dictionary by adding some attributes to each entity.
- A department employs many employees, but each employee is employed by one department.
- Some employees, known as rovers, are not assigned to any department.
- A division operates many departments, but each department is operated by one division.
- An employee may be assigned many projects, and a project may have many employees assigned to it.
- A project must have at least one employee assigned to it.
- One of the employees manages each department, and each department is managed by only one employee.
- One of the employees runs each division, and each division is run by only one employee.
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