database Contact MySQL Login Register MySQL.com Downloads Documentation Developer Zone Developer Zone Downloads MySQL.com Documentation MySQL Server MySQL Enterprise Workbench InnoDB Cluster MySQL NDB Cluster Connectors More MySQL.com Downloads Developer Zone Section Menu Documentation Home MySQL 8.0 Reference Manual This is the Reference Manual for the MySQL Database System, version 8.0, through release 8.0.30. Differences between minor versions of MySQL 8.0 are noted in the present text with reference to release numbers (8.0.x).For license information, see the Legal Notices.. This manual is not intended for use with older versions of the MySQL software due to the many functional and other differences Abstract This is the MySQL™ Reference Manual. It documents MySQL 8.0 through 8.0.13. It may include documentation of features of MySQL versions that have not yet been released. For information about which versions have been released, see the MySQL 8.0 Release Notes. MySQL Cluster is currently not supported in MySQL 8.0. MySQL 8.0 Reference Manual. Contribute to daoye/MySQL-8.-Reference-Manual development by creating an account on GitHub. MySQL-specific keywords can be wrapped in /*! */ comment delimiter to it compatibile with SQL in general. Optimization - Optimizing SQL Statements When optimizing particular SQL statements, refer to the reference manual on what kind of optimizations are available for the particular query in question (e.g., Index Condition Pushdown might be