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What is Database Normalization Explained about?

The document discusses normalization forms up to 4NF. It summarizes the key properties of 1NF, 2NF, 3NF as requiring attributes to be atomic and dependent on the primary key. Higher normal forms reduce redundancy and anomalies. Multi-value dependencies (MVDs) are introduced where one attribute determines a set of values for another, rather than a single value. A relation is in 4NF if all non-trivial MVDs have a superkey determinant. MVDs allow lossless decomposition into relations where the join of the rela

Author

yashbhardwaj

Language

EN