最新版MySQL 8.0手册 2019-07-02 (revision: 62538)
MySQL 8.0 Reference Manual
This is the MySQL™ Reference Manual. It documents MySQL 8.0 through 8.0.19, as well as NDB Cluster
releases based on version 8.0 of NDB through 8.0.18-ndb-8.0.18, 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 8.0 Release Notes.