Gate CS-2001 Question Paper With Solutions

Q. 24 Consider a schema R(A,B,C,D) and functional dependencies A->B and C->D.

Then the decomposition of R into R1(AB) and R2(CD) is

(A) dependency preserving and lossless join

(B) lossless join but not dependency preserving

(C) dependency preserving but not lossless join

(D) not dependency preserving and not lossless join

Answer: (C)

Explanation:

Learn More:   Gate EC-2014 - 2 Question Paper With Solutions

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