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Good Employee Inc., (GEI) wants to keep track of employees and their managers where each employee may have zero or one manager and each manager
Good Employee Inc., (GEI) wants to keep track of employees and their managers where each employee may have zero or one manager and each manager may manage one or more employees. GEI wants to store each employee's SSN(identifier), address, salary, birth-date, and age. Draw an ER diagram for this description using a unary relationship.
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