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GATE | Gate IT 2007 | Question 65
Consider the following implications relating to functional and multivalued dependencies given below, which may or may not be correct.
i. If A ↠ B and A ↠ C then A → BC
ii. If A → B and A → C then A ↠ BC
iii. If A ↠ BC and A → B then A → C
iv. If A → BC and A → B then A ↠ C
Exactly how many of the above implications are valid?
i. If A ↠ B and A ↠ C then A → BC
ii. If A → B and A → C then A ↠ BC
iii. If A ↠ BC and A → B then A → C
iv. If A → BC and A → B then A ↠ C
Exactly how many of the above implications are valid?
(A)
0
(B)
1
(C)
2
(D)
3
Answer
Please comment below if you find anything wrong in the above post
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