In the following statements about functional dependency, which one is incorrect?A.If X→Y and Y→Z, then X→Z.B.If X→Y and, then X→Y'.C.If X→Y and, then X'→Y.D.If, then X→X'.
In the following statements about functional dependency, which one is incorrect?
A.If X→Y and Y→Z, then X→Z.
B.If X→Y and, then X→Y'.
C.If X→Y and, then X'→Y.
D.If, then X→X'.
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