Question: Consider the relation R with the following functional dependencies R ( P , Q , R , D , E , F ) F D

Consider the relation R with the following functional dependencies
R(P,Q,R,D,E,F)
FD={PQ,QRD,ER,DP}
Which of the following are the candidate keys?
PEF, QEF, DEF
PF,QF.
PEF, QFR
Consider the relation R with the following functional dependencies R(P,Q,R,D,E,F) FD={PQ,QRD,ER,DP}

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