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https://dev.mysql.com/doc/refman/9.7/en/performance-schema-temporary-account-locks-table.html
The temporary_account_locks table lists the users with temporarily locked accounts. The temporary_account_locks table has these columns: USER The user name of the account used. FAILED_LOGIN_ATTEMPTS The number of login attempts, as defined in the ...
https://dev.mysql.com/doc/refman/9.7/en/purge-binary-logs.html
PURGE BINARY LOGS { TO 'log_name' | BEFORE datetime_expr } The binary log is a set of files that contain information about data modifications made by the MySQL server. The PURGE BINARY LOGS statement deletes all the binary log files listed in the ...The log consists of a set of binary log files, plus an index file (see Section 7.4.4, “The Binary ...
https://dev.mysql.com/doc/refman/9.7/en/recovery-from-backups.html
Now, suppose that we have a catastrophic unexpected exit on Wednesday at 8 a.m. To recover, first we restore the last full backup we have (the one from Sunday 1 p.m.). The full backup file is just a set of SQL statements, so restoring it is very ...
https://dev.mysql.com/doc/refman/9.7/en/server-status-variables.html
For example, Com_delete and Com_update count DELETE and UPDATE statements, respectively. Com_delete_multi and Com_update_multi are similar but apply to DELETE and UPDATE statements that use multiple-table syntax. Updates whenever a delay is ... The ...
https://dev.mysql.com/doc/refman/9.7/en/server-system-variables.html
authentication_openid_connect_configuration Command-Line Format --authentication_openid_connect_configuration System Variable authentication_openid_connect_configuration Scope Global Dynamic Yes SET_VAR Hint Applies No Type String Specifies a list ... The MySQL server maintains many system variables that affect its ...
https://dev.mysql.com/doc/refman/9.7/en/show-events.html
Execute At For a one-time event, this is the DATETIME value specified in the AT clause of the CREATE EVENT statement used to create the event, or of the last ALTER EVENT statement that modified the event. This is displayed as a DATETIME value, and ... SHOW EVENTS [{FROM | IN} schema_name] [LIKE 'pattern' | WHERE expr] This statement displays information about Event Manager events, which are discussed in Section 27.5, “Using the Event ...
https://dev.mysql.com/doc/refman/9.7/en/sorting-rows.html
You may have noticed in the preceding examples that the result rows are displayed in no particular order. It is often easier to examine query output when the rows are sorted in some meaningful way. This means that the order is undefined for columns ...
https://dev.mysql.com/doc/refman/9.7/en/srjsapi-routines.html
Two functions, listed here, provide JavaScript Function objects reflecting MySQL stored routines: getFunction(): Get a Function instance given the name of a stored function. getProcedure(): Get a Function instance given the name of a stored ...
https://dev.mysql.com/doc/refman/9.7/en/statement-caching.html
When the server uses a cached internal statement structure, it must take care that the structure does not go out of date. Table content changes (for example, with INSERT or UPDATE) do not change metadata, nor do SELECT statements. If the set of ...
https://dev.mysql.com/doc/refman/9.7/en/upgrade-binary-package.html
It also brings the Performance Schema, INFORMATION_SCHEMA, and sys databases up to date for MySQL 9.7, and examines all user databases for incompatibilities with the current version of MySQL. It also brings the Performance Schema, ... This section ...