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Two-Bit Drilling Company keeps information on employees and their dependents. Each employee has an employee number, nam...

Two-Bit Drilling Company keeps information on employees and their dependents. Each employee has an employee number, name, date of hire, and title. If an employee is an inspector, then the date of certification and the renewal date for that certification should also be recorded in the system. For all employees, the SSN and department names should be kept. All dependents must be associated with one and only one employee. Some employees will not have dependents, while others will have many dependents.

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