---
title: "Extension — Database Glossary | Xata"
description: "A packaged unit of additional functionality that can be installed into a PostgreSQL database. Extensions can add types, functions, operators, indexes, a..."
source: "https://xata.io/glossary/extension"
---

# Extension

PostgreSQL

A packaged unit of additional functionality that can be installed into a PostgreSQL database. Extensions can add types, functions, operators, indexes, and background workers. Managed with CREATE EXTENSION / DROP EXTENSION.

Related terms

[pgroll](/glossary/pgroll)[pgvector](/glossary/pgvector)[PostGIS](/glossary/postgis)

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