Part 142: Boyce-Codd Normal Form (BCNF) & Higher Normal Forms

A stricter version of 3NF that handles complex overlapping candidate keys.

1. BCNF Definition

A table is in BCNF if for every functional dependency $X \rightarrow Y$, $X$ is a superkey.

Key Takeaways

• BCNF eliminates edge-case redundancy anomalies in multi-candidate key schemas.

In Part 143, we analyze Denormalization Strategies for Read Performance!