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UGC-NET | UGC NET CS 2017 Jan - II | Question 19
Consider a schema R(MNPQ) and functional dependencies M → N, P → Q. Then the decomposition of R into R1 (MN) and R2(PQ) is________.
(A)
Dependency preserving but not lossless join
(B)
Dependency preserving and lossless join
(C)
Lossless join but not dependency preserving
(D)
Neither dependency preserving nor lossless join.
Answer
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