Course Solutions Uncategorized (Solved) : Er Relational Mapping Reverse Engineer Following Schema Make Er Diagram B B C B C B Refere Q32457596 . . . .

(Solved) : Er Relational Mapping Reverse Engineer Following Schema Make Er Diagram B B C B C B Refere Q32457596 . . . .

 

ER to Relational Mapping

a) i)

Reverse engineer the following schema to make an ER Diagram

A (a), B (a, b), C (a,b, c)
B.a references A.a; C.ab references B.ab

ii)

EMP (ssn, ename, supervisor, Dno), DEP(Dno, dname)
EMP.Dno referencesDEP.Dno; EMP.supervisor references EMP.ssn

bold is underline.

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