1.

The following functional dependencies hold true for the relational schema R{V, W, X, Y, Z}:V → WVW → XY → VXY → ZWhich of the following is irreducible equivalent for this set of functional dependencies?

A. V → WV → XY → VY → Z
B. V → WW → XY → VY → Z
C. V → WV → XY → VY → XY → Z
D. V → WW → XY → VY → XY → Z
Answer» B. V → WW → XY → VY → Z


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