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PLEASE TELL HOW OPTION D IS CORRECT

in Databases by Junior (965 points) | 66 views

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please correct me if i wrong

by Junior (965 points)
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see in option C relation ACD& ABC common is A  so A is not superkey in any relation so C will be lossy but B is lossless
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I follow these steps to solve such questions. But if you think anything is wrong please let me know.

by Boss (23.5k points)

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