Which of the following is not a condition for the third normal form in the case of XY?

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answerhappygod
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Which of the following is not a condition for the third normal form in the case of XY?

Post by answerhappygod »

a) X→ Y is trivial
b) X is the superkey for R
c) Each attribute in Y-X is a candidate key for R
d) Each attribute in X-Y is a candidate key for R
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