Aptitude | GATE CS 1998 | Question 34

Which normal form is considered adequate for normal relational database design?
(A) 2NF
(B) 5NF
(C) 4NF
(D) 3NF

Answer: (D)

Explanation: 3NF is sufficient because because most of the 3NF tables are free of insertion, update, and deletion anomalies. Moreover, 3NF always ensures functional dependency preserving and lossless.

So, option (D) is correct.

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