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please help. provide full details Emp (Eno, Ename, Title, City) Project(Pno, Pname, Budget, City) Works(Eno, Pno, Resp, Dur) 1. Propose an optimized execution plan (explain)

please help. provide full details
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Emp (Eno, Ename, Title, City) Project(Pno, Pname, Budget, City) Works(Eno, Pno, Resp, Dur) 1. Propose an optimized execution plan (explain) 2. Discuss the index need for further optimizing the query processing

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