GATE | GATE-CS-2000 | Question 47
Given the following relation instance.
x y z 1 4 2 1 5 3 1 6 3 3 2 2
Which of the following functional dependencies are satisfied by the instance? (GATE CS 2000)
(A) XY -> Z and Z -> Y
(B) YZ -> X and Y -> Z
(C) YZ -> X and X -> Z
(D) XZ -> Y and Y -> X
Explanation: See question 2 of https://www.geeksforgeeks.org/database-management-system-set-1/
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