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https://dev.mysql.com/doc/refman/5.7/en/native-pluggable-authentication.html
MySQL includes two plugins that implement native authentication; that is, authentication based on the password hashing methods in use from before the introduction of pluggable authentication. This section describes mysql_native_password, which ...
https://dev.mysql.com/doc/refman/5.7/en/show-open-tables.html
SHOW OPEN TABLES [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW OPEN TABLES lists the non-TEMPORARY tables that are currently open in the table cache. The FROM clause, if present, restricts the tables shown to those present in the db_name ...
https://dev.mysql.com/doc/refman/5.7/en/myisamlog.html
If a recovery is done (-r), all writes and possibly updates and deletes are done and errors are only counted. This option can be given multiple times to produce more and more output. To create such a file, start the server with a --log-isam=log_file ...
https://dev.mysql.com/doc/refman/5.7/en/postinstallation.html
Optionally, populate time zone tables to enable recognition of named time zones. This section discusses tasks that you should perform after installing MySQL: If necessary, initialize the data directory and create the MySQL grant tables. For some ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-show-disabled-instruments.html
Displays all currently disabled Performance Schema instruments. This might be a long list. Parameters None. Example mysql> CALL sys.ps_setup_show_disabled_instruments()\G *************************** 1. row *************************** ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-show-enabled-instruments.html
Displays all currently enabled Performance Schema instruments. This might be a long list. Parameters None. Example mysql> CALL sys.ps_setup_show_enabled_instruments()\G *************************** 1. row *************************** ...
https://dev.mysql.com/doc/refman/5.7/en/optimizing-innodb-many-tables.html
If you have configured non-persistent optimizer statistics (a non-default configuration), InnoDB computes index cardinality values for a table the first time that table is accessed after startup, instead of storing such values in the table. This ...
https://dev.mysql.com/doc/refman/5.7/en/show-grants.html
SHOW GRANTS [FOR user] This statement displays the privileges that are assigned to a MySQL user account, in the form of GRANT statements that must be executed to duplicate the privilege assignments. Note To display nonprivilege information for ...
https://dev.mysql.com/doc/refman/5.7/en/creating-spatial-indexes.html
For InnoDB and MyISAM tables, MySQL can create spatial indexes using syntax similar to that for creating regular indexes, but using the SPATIAL keyword. For storage engines that support nonspatial indexing of spatial columns, the engine creates a ...
https://dev.mysql.com/doc/refman/5.7/en/example-user-variables.html
You can employ MySQL user variables to remember results without having to store them in temporary variables in the client.