## Chapter 30. Reliability and the Write-Ahead Log

**Table of Contents**

[30.1. Reliability](wal-reliability.html)

[30.2. Data Checksums](checksums.html)

[30.2.1. Off-line Enabling of Checksums](checksums.html#CHECKSUMS-OFFLINE-ENABLE-DISABLE)

[30.3. Write-Ahead Logging (WAL)](wal-intro.html)

[30.4. Asynchronous Commit](wal-async-commit.html)

[30.5. WAL Configuration](wal-configuration.html)

[30.6. WAL Internals](wal-internals.html)

 This chapter explains how the Write-Ahead Log is used to obtain efficient, reliable operation.

