What does BCNF mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand BCNF in the Miscellaneous field in general and in the Unclassified terminology in particular.
Boyce–Codd normal form
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Definition
What does BCNF mean?
- Boyce–Codd normal form
- Boyce–Codd normal form (or BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stronger version of the third normal form (3NF). BCNF was developed in 1974 by Raymond F. Boyce and Edgar F. Codd to address certain types of anomalies not dealt with by 3NF as originally defined.If a relational schema is in BCNF then all redundancy based on functional dependency has been removed, although other types of redundancy may still exist. A relational schema R is in Boyce–Codd normal form if and only if for every one of its dependencies X → Y, at least one of the following conditions hold: X → Y is a trivial functional dependency (Y ⊆ X), X is a superkey for schema R.
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"BCNF." Abbreviations.com. STANDS4 LLC, 2024. Web. 26 Apr. 2024. <https://www.abbreviations.com/term/1549170>.
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