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https://dev.mysql.com/doc/refman/9.7/en/audit-log-component-file-formats.html
The following is an excerpt of partial events: [ { "timestamp": "2019-10-03 13:50:01", "id": 0, "class": "audit", "event": "startup", ... }, { "timestamp": "2019-10-03 15:02:32", "id": 0, "class": "connection", "event": "connect", ... { "timestamp": ... The MySQL server calls the audit log component to write an audit record to its log file whenever an auditable event ...
https://dev.mysql.com/doc/refman/9.7/en/create-user.html
These roles must exist at the time CREATE USER is executed; otherwise the statement raises an error (ER_USER_DOES_NOT_EXIST), and the user is not created. Order of WITH options does not matter, except that if a given resource limit is specified ...
https://dev.mysql.com/doc/refman/9.7/en/faqs-stored-procs.html
Do the preceding limitations affect the ability of MySQL to do point-in-time recovery? A.4.28. If replication or binary logging in general (for the purpose of point-in-time recovery) is active, then MySQL DBAs have two security options open to them: ...Where can I find documentation for MySQL stored procedures and stored functions? ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-tables-table.html
The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. To update cached values at any time for a given table, use ANALYZE TABLE. Even with file-per-table mode with each InnoDB table in a ...If there are no cached statistics or statistics have expired, statistics are retrieved from storage engines when querying table statistics ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-online-ddl-performance.html
Use this clause if the primary concern is finishing the DDL operation in the shortest amount of time possible, and concurrent query and DML access is not necessary. In the case of a long running or inactive transaction, an online DDL operation can ... Online DDL improves several aspects of MySQL operation: Applications that access the table are more responsive because queries and DML operations on the table can proceed while the DDL operation is in ...
https://dev.mysql.com/doc/refman/9.7/en/load-data.html
An invalid value for a DATETIME, DATE, or TIME column is inserted as the implicit default value, regardless of the SQL mode NO_ZERO_DATE setting. For date and time types, the column is set to the appropriate “zero” value for the type. These are ...The file can be read from the server host or the client host, depending on whether the LOCAL modifier is ...
https://dev.mysql.com/doc/refman/9.7/en/myisamchk-table-info.html
Index Whether a key value can exist multiple times in the index. By default this is 1024, but the value may be changed at compile time when MySQL is built from source. To obtain a description of a MyISAM table or statistics about it, use the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-api-definition.html
(NDB 9.7.0) This parameter (along with RedoOverCommitLimit and RedoOverCommitCounter) controls the data node's handling of operations when too much time is taken flushing redo logs to disk. This occurs when a given redo log flush takes longer than ... The [mysqld] and [api] sections in the config.ini file define the behavior of the MySQL servers (SQL nodes) and other applications (API nodes) used to access cluster ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-restore.html
This is equal to the number of data nodes in the cluster at the time that the backup was created. --connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-commands.html
Sometimes a very wide result set is difficult to read on the screen. Have a tee file enabled and pager set to less, and you are able to browse the results using the less program and still have everything appended into a file the same time. The ...