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Employee (ssn, Name, dno, pid, sal, .); Department (dno, dname, mgr_id, .); Project (pid, startDate, endDate, .); and the following indexes built in...

Employee (ssn, Name, dno, pid, sal, …);
Department (dno, dname, mgr_id, …);
Project (pid, startDate, endDate, …);
and the following indexes built in the database:
1. hash index on Department.dname
2. B+-tree on Project.startDate
3. hash index on Employee.dno
4. B+-tree on Project.pid

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