---
title: "Advisory Lock — Database Glossary | Xata"
description: "An application-controlled lock managed by PostgreSQL but not tied to any table or row. Acquired and released explicitly by application code. Used for co..."
source: "https://xata.io/glossary/advisory-lock"
---

# Advisory Lock

Transactions

An application-controlled lock managed by PostgreSQL but not tied to any table or row. Acquired and released explicitly by application code. Used for coordinating distributed processes or preventing duplicate work.

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