MCQOPTIONS
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MCQOPTIONS
| 1. |
Given the following relation instance.x y z1 4 21 5 31 6 33 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 |
| Answer» C. YZ -> X and X -> Z | |