BCNF
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closed as a duplicate of: GATE CSE 2001 | Question: 2.23
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

Plz explain as well...!!!!

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