Question

Consider the following functional dependencies
PQ → R
R → S
QS → T for the relation set R(P,Q,R,S,T). Which of the following set of attributes do not functionally determine T?
a) PRS
b) QRS
c) PQ
d) PQR

Answer 1

⛤Hey There⛤
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Consider the following functional dependencies
PQ → R
R → S
QS → T for the relation set R(P,Q,R,S,T). Which of the following set of attributes do not functionally determine T?
→→→QRS attribute do not functionally determine T.

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