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Database Normalization

A process of organizing data to reduce redundancy and improve data integrity.

Databases

database-normalization

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1

What are the normal forms in database normalization?

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First Normal Form (1NF), Second Normal Form (2NF), Third Normal Form (3NF), Boyce-Codd Normal Form (BCNF), Fourth Normal Form (4NF), and Fifth Normal Form (5NF).

2

What are the benefits of database normalization?

Reduced data redundancy, improved data integrity, smaller database size, efficient data structures, and minimized modification anomalies.

3

When might you denormalize a database?

When read performance is crucial, for reporting and analytics systems, when data rarely changes, to reduce join complexity, or for specific performance optimization.