This is the MySQL™ Reference Manual. It documents MySQL 5.7 through 5.7.26, as well as NDB Cluster releases based on version 7.5 of NDB through 5.7.25-ndb-7.5.13, respectively. 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 5.7 Release Notes. MySQL 5.7 Release Notes.