# Specialization

Dividing a broad entity type into narrower subtypes.

## What is **Specialization** in a relational database?

**Specialization** — Dividing a broad entity type into narrower subtypes.

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/specialization