Why 3NF is more preferable than BCNF in certain cases?

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1198431

2026-04-30 04:25

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Third Normal Form (3NF) is often more preferable than Boyce-Codd Normal Form (BCNF) in certain cases because it balances the goals of normalization with practical application. While BCNF eliminates all redundancy caused by functional dependencies, it can lead to more complex schemas that may complicate queries and increase the number of joins required. In contrast, 3NF allows for some redundancy that can simplify database design and improve performance without significantly compromising data integrity. Therefore, in scenariOS where usability and performance are prioritized, 3NF may be the better choice.

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