v t e Database normalization
Unnormalized form (UNF/NF²) First normal form (1NF) Second normal form (2NF) Third normal form (3NF) Elementary key normal form (EKNF) Boyce–Codd normal form (3.5NF / BCNF) Fourth normal form (4NF) Fifth normal form (5NF / PJNF) Domain-key normal form (DKNF) Sixth normal form (6NF)
Denormalization

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