Why 3nf is preferred over Bcnf?

Related questions

1. Does normalization improve performance?
2. What is 2nf in DBMS?
3. Why do we normalize data?
4. Which is the highest level of normalization?
5. What is normalization and its advantages?
6. What is normalization in SQL with example?
7. How do you explain normalization?
8. What is first normal form in SQL?
9. What is 3nf in SQL?
10. What's the purpose of normalization?

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16. #candidate