Canonical Cover of Functional Dependencies | GATE CS 2017 Solved Question

Computer Sciences > Gate 2017 Set-1 > Functional Dependency

The following functional dependencies hold true for the relational schema R{V, W, X, Y, Z}:

V→W
VW→X
Y→VX
Y→Z

Which of the following is irreducible equivalent for this set of functional dependencies?

V→W
V→X
Y→V
Y→Z

V→W
W→X
Y→V
Y→Z

V→W
V→X
Y→V
Y→X
Y→Z

V→W
W→X
Y→V
Y→X
Y→Z

Correct : Functional Dependency

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