# Shared Lock

A lock allowing compatible readers while blocking conflicting writers.

## What is **Shared Lock** in a relational database?

**Shared Lock** — A lock allowing compatible readers while blocking conflicting writers.

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/shared-lock