What is the role of functional dependencies in database normalization?

Database Normalisation Questions



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What is the role of functional dependencies in database normalization?

The role of functional dependencies in database normalization is to identify and eliminate redundancy and anomalies in a database. Functional dependencies help in determining the relationships between attributes in a relation and ensure that each attribute is functionally dependent on the primary key. By analyzing functional dependencies, normalization techniques can be applied to break down a relation into smaller, well-structured relations, reducing data redundancy and improving data integrity.