R (A,B,C,D) is a relation. Which of the following does not have a los – McqOptions

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1.	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» E.

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