Balaji Jegan
asked
Sep 26, 2018
2,376
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Lossless Decomposition and Dependency Preservation
Consider R(A,B,C,D,E)with the FD Set F(A->B, A->C, DE->C, DE->B, C->D) Consider this decomposition : R1(A,B,C), R2(B,C,D,E) and R3(A,E) Then, the decompositions is Lossless Decomposition Dependency Preserving Which of the ... 1 is TRUE but 2 is FALSE B) 1 is FALSE but 2 is TRUE C) Both 1 and 2 are TRUE D) Both 1 and 2 are FALSE
Consider R(A,B,C,D,E)with the FD Set F(A->B, A->C, DE->C, DE->B, C->D)Consider this decomposition : R1(A,B,C), R2(B,C,D,E) and R3(A,E)Then, the decompositions isLossless ...
