BCNF


## Boyce-Codd Normal Form
- 결정자이면서 후보키가 아닌 것을 제거


![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F53d7c9ce-6a13-4dd2-b85c-27202a1b4144%2FUntitled.png?table=block&id=03779e04-3525-46ed-bb60-c853b0e7212c&cache=v2)
> X -> Y 는 trivial FD 이거나, X 는 릴레이션 R 의 슈퍼키



[JD](https://texonom.com/jd-dfaf4fcb752c4800b6462b727dc91d71)


[FD](https://texonom.com/fd-2c783564969248afa446f147c84d5e14)

학문적 용도

[4NF](https://texonom.com/4nf-132e6bbbc14d4ca2a962f20fe70ba3b4)


[5NF](https://texonom.com/5nf-ff4e74455ce242edafa1a9fd7864f8bf)



> [정규화(Normalization) 개념과 정규화 과정(1NF, 2NF, 3NF, BCNF)](https://minimax95.tistory.com/entry/%EC%A0%95%EA%B7%9C%ED%99%94Normalization-%EA%B0%9C%EB%85%90%EA%B3%BC-%EA%B8%B0%EB%B3%B8-%EA%B3%BC%EC%A0%95?category=305607)





