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GATE | GATE CS 2021 | Set 1 | Question 43
Consider the relation R(P,Q,S,T,X,Y,Z,W) with the following functional dependencies.
Consider the decomposition of the relation R into the constituent relations according to the following two decomposition schemes.
Which one of the following options is correct?
Consider the decomposition of the relation R into the constituent relations according to the following two decomposition schemes.
Which one of the following options is correct?(A)
D1 is a lossless decomposition, but D2 is a lossy decomposition
(B)
D1 is a lossy decomposition, but D2 is a lossless decomposition
(C)
Both D1 and D2 are lossless decompositions
(D)
Both D1 and D2 are lossy decompositions
Answer
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