# Attribute Closure

The attributes functionally determined by an attribute set under known dependencies.

## What is **Attribute Closure** in a relational database?

**Attribute Closure** — The attributes functionally determined by an attribute set under known dependencies.

Level: Freelancer · [More Database terms at this level](https://www.ask-codey.com/glossary/subjects/database/freelancer)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/attribute-closure