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Question:
1. A functionally determines B and B functionally determines C.
2. A does not funcionally determine C.
3. A functionally determines B and B does not functionally determine C
4. Both 2 and 3
Check Answer
From the following instance of relation schema R(A,B,C), we can conclude that:
| A | B | C |
| 1 | 1 | 1 |
| 1 | 1 | 0 |
| 2 | 3 | 2 |
| 2 | 3 | 2 |
1. A functionally determines B and B functionally determines C.
2. A does not funcionally determine C.
3. A functionally determines B and B does not functionally determine C
4. Both 2 and 3
Check Answer
