Given a set of functional dependencies on R (A, B, C, D, E) find the number of candidate keys?A andrArr; BBC andrArr; EDE andrArr; Aa)4b)3c)5d)2Correct answer is option 'B'. Can you explain this answer?

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Given a set of functional dependencies on R (A, B, C, D, E) find the number of candidate keys?

A ⇒ B

BC ⇒ E

DE ⇒ A

a)
4
b)
3
c)
5
d)
2

Correct answer is option 'B'. Can you explain this answer?

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Given a set of functional dependencies on R (A, B, C, D, E) find the n...

Candidate keys - ACD, BCD, ECD

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Given a set of functional dependencies on R (A, B, C, D, E) find the number of candidate keys?A ⇒ BBC ⇒ EDE ⇒ Aa)4b)3c)5d)2Correct answer is option 'B'. Can you explain this answer?

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