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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-logs-cluster-log.html
NDBStopForced StartUp 1 ALERT Node node_id: Node shutdown aborted The node shutdown process was aborted by the user. Error: error_code The backup was terminated after starting, possibly due to user intervention BackupAborted Backup 7 ALERT . For ...
https://dev.mysql.com/doc/refman/5.7/en/alter-event.html
(See Section 13.1.12, “CREATE EVENT Statement”.) Any user can alter an event defined on a database for which that user has the EVENT privilege. When a user executes a successful ALTER EVENT statement, that user becomes the definer for the ...The ...You cannot use stored routines or loadable functions in such expressions, and you cannot use any table references; however, you can use SELECT FROM ...
https://dev.mysql.com/doc/refman/5.7/en/cast-functions.html
Cast Function and Operator Descriptions Character Set Conversions Character Set Conversions for String Comparisons Other Uses for Cast Operations Cast Function and Operator Descriptions BINARY expr The BINARY operator converts the expression to a ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-what-is-new-7-6.html
For this reason, the program must be able to connect as a MySQL user having the SELECT privilege on tables in the ndbinfo database. This should help resolve issues with page and extent handling that were visible to the user as problems with rapid ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-status-variable-tables.html
The Performance Schema supports TRUNCATE TABLE for status variable tables as follows: global_status: Resets thread, account, host, and user status. Account, host, and user statistics are not collected if the performance_schema_accounts_size, ...An ...
https://dev.mysql.com/doc/refman/5.7/en/test-pluggable-authentication.html
For example: $> mysql --user=testuser --password Enter password: testpassword The plugin fetches the password as received from the client and compares it with the value stored in the authentication_string column of the account row in the mysql.user ...For example, put these lines in the server my.cnf file, adjusting the .so suffix for your platform as necessary: [mysqld] plugin-load-add=auth_test_plugin.so After modifying my.cnf, restart the server to cause the new settings to take ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-compression-internals.html
Unlike compression performed by an application, or compression features of some other database management systems, InnoDB compression applies both to user data and to indexes. These properties make this compression technique unsuitable for use in an ... This section describes some internal implementation details about compression for InnoDB ...
https://dev.mysql.com/doc/refman/5.7/en/built-in-function-reference.html
For a table listing functions that are loadable at runtime, see Section 12.2, “Loadable Function Reference”. GTID_SUBTRACT() Return all GTIDs in set that are not in subset. The following table lists each built-in (native) function and operator ...
https://dev.mysql.com/doc/refman/5.7/en/memory-storage-engine.html
You can set the size for individual tables as described later in this section. User-Created and Temporary Tables MEMORY table contents are stored in memory, which is a property that MEMORY tables share with internal temporary tables that the server ... The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents that are stored in ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-reference.html
report_password: Arbitrary password which replica server should report to source; not same as password for replication user account. report_user: Arbitrary user name which replica server should report to source; not same as name used for replication ...log_bin_trust_function_creators: If equal to 0 (default), then when --log-bin is used, stored function creation is allowed only to users having SUPER privilege and only if function created does not break binary ...