Question

Given the relational schema R = (U, V, W, X, Y, Z) and the set of functional dependencies :
{U → V,U → W, WX → Y,WX → Z,V → X}
Which of the following functional dependencies can be derived from the above set ?

• A. VW → YZ
• B. WX → YZ
• C. VW → U
• D. VW → Y

Answer 1

The Correct Option is A, B, D

The correct option is (A) : VW → YZ, (B) : WX → YZ and (D) : VW → Y.