Q. 48 R(A,B,C,D) is a relation. Which of the following does not have a lossless join, dependency preserving BCNF decomposition?
(A)A->B, B->CD
(B) A->B, B->C, C->D
(C) AB->C, C->AD
(D)A ->BCD
Answer: (C)
Explanation:
Q. 48 R(A,B,C,D) is a relation. Which of the following does not have a lossless join, dependency preserving BCNF decomposition?
(A)A->B, B->CD
(B) A->B, B->C, C->D
(C) AB->C, C->AD
(D)A ->BCD
Answer: (C)
Explanation:
