fourth normal form

Fetched 2026-10-26 (cache).

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Noun

1. {{lb|en|databases}} A [[stage]] in the [[normalization]] of a [[relational database]] in which a [[database]] is in [[Boyce-Codd normal form]] and all [[multi-valued]] [[dependencies]] are [[functional dependencies]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.