Q. 12 Consider the relation X(P, Q, R, S, T, U) with the following set of functional dependencies
F = {
{P, R} → {S,T},
{P, S, U} → {Q, R}
}
Which of the following is the trivial functional dependency in F+ is closure of F?
(A) {P,R}→{S,T}
(B) {P,R}→{R,T}
(C) {P,S}→{S}
(D) {P,S,U}→{Q}
Answer: (C)
Explanation:
