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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-mgm-definition.html
The [ndb_mgmd] section is used to configure the behavior of the management server. If multiple management servers are employed, you can specify parameters common to all of them in an [ndb_mgmd default] section. [mgm] and [mgm default] are older ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-import.html
ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB API. ndb_import requires a connection to an NDB management server (ndb_mgmd) to function; it does not require a connection to a MySQL ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-restore.html
The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin directory. This program reads the files created as a result of the backup and inserts the stored ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-migrate-keyring.html
The mysql_migrate_keyring utility migrates keys between one keyring component and another. Invoke mysql_migrate_keyring like this (enter the command on a single line): mysql_migrate_keyring --component-dir=dir_name --source-keyring=name ...
https://dev.mysql.com/doc/refman/9.7/en/non-typed-operators.html
->> Return value from JSON column after evaluating path and unquoting the result; equivalent to JSON_UNQUOTE(JSON_EXTRACT()). / Division operator := Assign a value = Assign a value (as part of a SET statement, or as part of the SET clause in an ...
https://dev.mysql.com/doc/refman/9.7/en/option-modifiers.html
Some options are “boolean” and control behavior that can be turned on or off. For example, the mysql client supports a --column-names option that determines whether or not to display a row of column names at the beginning of query results.
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-system-variables.html
The Performance Schema automatically sizes the values of several of its parameters at server startup if they are not set explicitly. Performance Schema system variables have the following meanings: performance_schema Command-Line Format ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-variables-metadata-table.html
The variables_metadata table shows, for each server system variable, its name, scope, type, range of values (where applicable), and description. VARIABLE_SCOPE The variable's scope; this is one of the values listed here: GLOBAL The variable is ...
https://dev.mysql.com/doc/refman/9.7/en/rewriter-query-rewrite-plugin-reference.html
Users communicate with the plugin by modifying the set of rules stored in this table. The plugin communicates information to users by setting the table's message column. Note The rules table is loaded into the plugin by the flush_rewrite_rules ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-setup-show-disabled.html
Displays all currently disabled Performance Schema configuration. Parameters in_show_instruments BOOLEAN: Whether to display disabled instruments. This might be a long list. in_show_threads BOOLEAN: Whether to display disabled threads. Example ...