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https://dev.mysql.com/doc/refman/8.0/en/information-schema-collations-table.html
The COLLATIONS table provides information about collations for each character set. CHARACTER_SET_NAME The name of the character set with which the collation is associated. IS_DEFAULT Whether the collation is the default for its character set.
https://dev.mysql.com/doc/refman/8.0/en/information-schema-enabled-roles-table.html
The ENABLED_ROLES table (available as of MySQL 8.0.19) provides information about the roles that are enabled within the current session. The ENABLED_ROLES table has these columns: ROLE_NAME The user name part of the granted role. IS_DEFAULT YES or ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-optimizer-trace-table.html
The OPTIMIZER_TRACE table provides information produced by the optimizer tracing capability for traced statements. The OPTIMIZER_TRACE table has these columns: QUERY The text of the traced statement. MISSING_BYTES_BEYOND_MAX_MEM_SIZE Each ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-resource-groups-table.html
The RESOURCE_GROUPS table provides access to information about resource groups. The RESOURCE_GROUPS table has these columns: RESOURCE_GROUP_NAME The name of the resource group. For general discussion of the resource group capability, see Section ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-role-routine-grants-table.html
The ROLE_ROUTINE_GRANTS table (available as of MySQL 8.0.19) provides information about the routine privileges for roles that are available to or granted by the currently enabled roles. The ROLE_ROUTINE_GRANTS table has these columns: GRANTOR The ...GRANTOR_HOST The host name part of the account that granted the ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-st-units-of-measure-table.html
The ST_UNITS_OF_MEASURE table (available as of MySQL 8.0.14) provides information about acceptable units for the ST_Distance() function. The ST_UNITS_OF_MEASURE table has these columns: UNIT_NAME The name of the unit.
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-table-update.html
You can use the update() method to modify one or more records in a table. To replace a city name in the city table, pass to the set() method the new city name. mysql-js> db.city.select(["ID", "Name", "CountryCode", "District", "Info"]).where("Name ...The update() method works by filtering a query to include only the records to be updated and then applying the operations you specify to those ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-table-update.html
You can use the update() method to modify one or more records in a table. To replace a city name in the city table, pass to the set() method the new city name. mysql-py> db.city.select(["ID", "Name", "CountryCode", "District", "Info"]).where("Name ...The update() method works by filtering a query to include only the records to be updated and then applying the operations you specify to those ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-component-scheduler-tasks-table.html
The component_scheduler_tasks table contains a row for each scheduled task. Does a periodic refresh of the audit log in-memory rules cache by calling audit_log_flush INTERVAL_SECONDS: 100 TIMES_RUN: 5 TIMES_FAILED: 0 1 row in set (0.02 sec) The ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-filters-table.html
This table shows the replication channel specific filters configured on this replica. The replication_applier_filters table has these columns: CHANNEL_NAME The name of replication channel with a replication filter configured. Each row provides ...