# Write-Ahead Logging

A recovery rule requiring log records to reach durable storage before related data changes.

## What is **Write-Ahead Logging** in a relational database?

**Write-Ahead Logging** — A recovery rule requiring log records to reach durable storage before related data changes.

Level: Master · [More Database terms at this level](https://www.ask-codey.com/glossary/subjects/database/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/write-ahead-logging