What are BCNF and 3NF? How to decompose a relation into BCNF? How to decompose a relation into 3NF?

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A:

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Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.