Functional-Dependency
|
Question 5
|
Suppose the following functional dependencies hold on a relation U with attributes P, Q, R, S, and T:
P⟶ QR
RS⟶ T
Which of the following functional dependencies can be inferred from the above functional dependencies?
|
PS ⟶ Q
|
|
|
PS ⟶ T
|
|
|
R ⟶ T
|
|
|
P ⟶ R
|
Question 5 Explanation:
Correct Answer: D
Question 5 Explanation: