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GATE | GATE-CS-2006 | Question 70

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  • Last Updated : 25 Nov, 2020
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The following functional dependencies are given:

AB \rightarrow  CD, AF \rightarrow  D, DE \rightarrow  F, C \rightarrow G , F \rightarrow  E, G \rightarrow  A

Which one of the following options is false?
(A) CF+ = {ACDEFG}
(B) BG+ = {ABCDG}
(C) AF+ = {ACDEFG}
(D) AB+ = {ABCDG}

Answer: (C)

Explanation: See question 4 of

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