Course Solutions Uncategorized (Solved) : Er Relational Mapping Reverse Engineer Following Schema Make Er Diagram B C B References Q32457618 . . . .

(Solved) : Er Relational Mapping Reverse Engineer Following Schema Make Er Diagram B C B References Q32457618 . . . .

 

ER to Relational Mapping

a) i)

Reverse engineer the following schema to make an ER Diagram

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

ii)

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

mathbf{bold is underline.}bold is underline.

Expert Answer


An answer will be send to you shortly. . . . .

Leave a Reply

Your email address will not be published. Required fields are marked *

Related Post