ACE TEST SERIES

Question

is there is easy way to find no of candidate key in these type of questions.

Comments

type the question and mention the test series name in the title !!

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I am getting 4

AB,CF,CB,FB.

The closure of all these 4 keys give ABCDEF.

Please Verify and let me know cause the given answer is incorrect.

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@sripo F is a candidate key here,so CF,BF are super keys!

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F->B I didn't see this last FD hence the problem.I am also wondering how am I getting 4,thanks a lot.

Answer 1

AB , F, BC are the candidate keys. 3 candidate keys.

Comments

I am asking that there is any easy way to find the candidate key or not.

because in exam it takes long time.

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https://www.youtube.com/watch?v=9fuJUQJd-A8