# Functional Dependencies

> The requirement that the dependencies determining which attributes fix others be identified before decomposing a schema.

Record: `lex:functional-dependencies`
Kind: constraint
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-functional-dependencies

## category

- [Schema / Canonical Data / Semantics](https://banes-lab.com/records/lex-category/schema-canonical-data-semantics.md)

## referenced-by

- [Database Normalization](https://banes-lab.com/records/arch/database-normalization.md)