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l. Use the following business rules to connectivities and cardinalities in the ERD. A department employs many employees, but each employee is employed by only
l. Use the following business rules to connectivities and cardinalities in the ERD. A department employs many employees, but each employee is employed by only one department. Some employees, known as "rovers, are not assigned to any department. A division operates many departments, but each department is operated by only 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 man- aged by only one employee. One of the employees runs each division, and each division is run by only one employee
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