Question: Consider the relation R with the following functional dependencies: R(P,Q, R, D, E,F) FD = {P Q,QR D,E R, D P} Which of the

Consider the relation R with the following functional dependencies: R(P,Q, R, D,

Consider the relation R with the following functional dependencies: R(P,Q, R, D, E,F) FD = {P Q,QR D,E R, D P} Which of the following are the candidate keys? (a) PF, QF. (b) PF, QF, RF (c) PEF, QEF, DEF (d) PEF, QFR %3D Consider the relation R with the following functional dependencies: R(P,Q, R, D, E,F) FD = {P Q,QR D,E R, D P} Which of the following are the candidate keys? (a) PF, QF. (b) PF, QF, RF (c) PEF, QEF, DEF (d) PEF, QFR %3D

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