Given the functional dependencies X →W; X→Y; Y→Z and Z→PQ Which of the following doesn’t hold well?

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Q. Given the functional dependencies X →W; X→Y; Y→Z and Z→PQ Which of the following doesn’t hold well?

(A) X→Z
(B) W→Z
(C) X→WY
(D) None of the above

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✅ Correct Answer: (B) W→Z

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