MySQL Server Version Reference

Abstract

This document provides a single resource for summary information about MySQL server, including specific information on changes between different versions for options and variables, and summary tables showing the availability across MySQL series for several server features, such as operators and functions, INFORMATION_SCHEMA and Performance Schem tables, sys schema objects, keywords and reserved words, and build options.

For legal information, see the Legal Notice.

For help with using MySQL, please visit the MySQL Forums, where you can discuss your issues with other MySQL users.

Document generated on: 2024-12-18 (revision: 80547)

Table of Contents

Preface and Legal Notices

1 mysqld Options and Variables

1.1 Option and Variable Changes for MySQL 5.7

1.2 Option and Variable Changes for MySQL 8.0

1.3 Option and Variable Changes for MySQL 8.1

1.4 Option and Variable Changes for MySQL 8.2

1.5 Option and Variable Changes for MySQL 8.3

1.6 Option and Variable Changes for MySQL 8.4

2 Built-In Functions and Operators

3 Loadable Functions

4 INFORMATION_SCHEMA Tables

5 Performance Schema Tables

6 sys Schema Objects

7 Keywords and Reserved Words

7.1 Keywords and Reserved Words in MySQL 5.7

7.2 Keywords and Reserved Words in MySQL 8.0

7.3 Keywords and Reserved Words in MySQL 8.1

7.4 Keywords and Reserved Words in MySQL 8.2

7.5 Keywords and Reserved Words in MySQL 8.3

7.6 Keywords and Reserved Words in MySQL 8.4

7.7 Keywords and Reserved Words in MySQL 9.0

7.8 Keywords and Reserved Words in MySQL 9.1

8 Build (Configuration) Options