# Dependency Preservation

A decomposition property allowing original dependencies to be enforced without joining relations.

## What is **Dependency Preservation** in a relational database?

**Dependency Preservation** — A decomposition property allowing original dependencies to be enforced without joining relations.

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/dependency-preservation