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Unformatted text preview: agent, and cashier). employee entity relationship. An instance of salesperson cannot exist without a related employee. An instance of salesperson can be related to only one employee. An instance of employee can exist without a related salesperson . An instance of employee can be related to only one salesperson. department entity. directly related to the employee entity. An employee is assigned to only one department at a time. A department cannot exist without an employee, and a department can be related to many employees....
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- Fall '10