GATE | CS | 2001 | Databases | Decomposition | Question 48

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R(A,B,C,D) is a relation. Which of the following does not have a lossless join, dependency preserving BCNF decomposition?

A->B, B->CD

A->B, B->C, C->D

AB->C, C->AD

A ->BCD

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Database Design(Normal Forms),GATE-CS-2001
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