1.

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» D. {P,S,U}→{Q


Discussion

No Comment Found

Related MCQs