Find minimum number of tables needed?
Answer : (3)
Can anyone please explain the answer and how to approach such complex er diagrams?
Is it 5?
E1(A,B,C,D)
E2(D,E,F,G)
E3(G,H,G)
E4(I,J,K,A)
R3(G,A)
That's what even I got...but the answer given is 4..and I can't understand how
BOLD ONES ARE PRIMARY KEY, is it correct??
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