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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/channels-naming-conventions.html
Each replication channel has a unique name which is a string with a maximum length of 64 characters and is case-insensitive. This section describes how naming conventions are impacted by replication channels. Because channel names are used in ...
https://dev.mysql.com/doc/refman/5.7/en/alter-server.html
ALTER SERVER server_name OPTIONS (option [, option] ...) Alters the server information for server_name, adjusting any of the options permitted in the CREATE SERVER statement. For example, to update the USER option: ALTER SERVER s OPTIONS (USER ...
https://dev.mysql.com/doc/refman/5.7/en/backup-strategy-summary.html
In case of an operating system crash or power failure, InnoDB itself does all the job of recovering data. But to make sure that you can sleep well, observe the following guidelines: Always run the MySQL server with the --log-bin option, or even ...
https://dev.mysql.com/doc/refman/5.7/en/declare-cursor.html
DECLARE cursor_name CURSOR FOR select_statement This statement declares a cursor and associates it with a SELECT statement that retrieves the rows to be traversed by the cursor. The number of columns retrieved by the SELECT statement must match the ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-temp-table-info.html
INNODB_TEMP_TABLE_INFO provides information about user-created InnoDB temporary tables that are active in the InnoDB instance. It does not provide information about internal InnoDB temporary tables used by the optimizer. mysql> SHOW TABLES FROM ...
https://dev.mysql.com/doc/refman/5.7/en/query-cache-thread-states.html
These thread states are associated with the query cache (see Section 8.10.3, “The MySQL Query Cache”). checking privileges on cached query The server is checking whether the user has privileges to access a cached query result. checking query ...
https://dev.mysql.com/doc/refman/5.7/en/show-databases.html
SHOW {DATABASES | SCHEMAS} [LIKE 'pattern' | WHERE expr] SHOW DATABASES lists the databases on the MySQL server host. The LIKE clause, if present, indicates which database names to match. The WHERE clause can be given to select rows using more ...
https://dev.mysql.com/doc/refman/5.7/en/statement-optimization.html
The core logic of a database application is performed through SQL statements, whether issued directly through an interpreter or submitted behind the scenes through an API. The tuning guidelines in this section help to speed up all kinds of MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/sys-format-path.html
Given a path name, returns the modified path name after replacing subpaths that match the values of the following system variables, in order: datadir tmpdir slave_load_tmpdir innodb_data_home_dir innodb_log_group_home_dir innodb_undo_directory ...