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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
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Q.
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 & Explanation
Option: [A]
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