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Normal Forms and Decomposition Methods by Endrit is a document available to read on EtoBox.

What is Normal Forms and Decomposition Methods about?

The document discusses normal forms for database schemas based on functional dependencies. It defines first normal form (1NF), second normal form (2NF), third normal form (3NF), and Boyce-Codd normal form (BCNF). The normal forms have increasingly restrictive requirements. Decomposing a schema into BCNF or 3NF relations ensures certain "good properties" like eliminating update anomalies. The document provides algorithms for checking if a schema decomposition is lossless and dependency preserving.

Author

Endrit

Language

EN