Database MCQ

1:

The following functional dependcies are given:
AB -> CD, AF —> D, DE --> F, C —> G, F —› E, G --> A
Which one of the following options is false?

A.

{CF}+ = {ACDEFG}

B.

{BG}± = {ABCDG}

C.

{AE }+ = {ACDEFG}

D.

{AC = {ACDFG}

 

Answer : C

Explanation :

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Option: A

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