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https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-nodes-table.html
The rpd_nodes read-only table provides information about MySQL HeatWave nodes. The rpd_nodes table has the following columns: ID A unique identifier for the MySQL HeatWave node. CORES The number of cores used by the MySQL HeatWave node. The table ...
https://dev.mysql.com/doc/heatwave/en/mys-hwgenai-hw-chat.html
This topic contains the following sections: HEATWAVE_CHAT Syntax @chat_options Parameters Syntax Examples See Also HEATWAVE_CHAT Syntax mysql> CALL sys.HEATWAVE_CHAT('QueryInNaturalLanguage'); The HEATWAVE_CHAT routine accepts one input parameter: ... The HEATWAVE_CHAT routine automatically calls the ML_RAG routine which loads an LLM and runs a semantic search on the available vector stores by ...
https://dev.mysql.com/doc/refman/8.4/en/channels-commands-single-channel.html
To enable MySQL replication operations to act on individual replication channels, use the FOR CHANNEL channel clause with the following replication statements: CHANGE REPLICATION SOURCE TO START REPLICA STOP REPLICA SHOW RELAYLOG EVENTS FLUSH RELAY ...START REPLICA and STOP REPLICAare disallowed for the group_replication_recovery and group_replication_applier ...
https://dev.mysql.com/doc/refman/8.4/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. For additional information and ...These options can be given on the command line or in an option ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-disk-io.html
If there is an operating system, storage subsystem, or unexpected mysqld process exit in the middle of a page write (causing a torn page condition), InnoDB can later find a good copy of the page from the doublewrite buffer during recovery. InnoDB ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-diskpagebuffer.html
The diskpagebuffer table provides statistics about disk page buffer usage by NDB Cluster Disk Data tables. The diskpagebuffer table contains the following columns: node_id The data node ID block_instance Block instance pages_written Number of pages ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/performance-schema-lock-tables.html
The Performance Schema exposes lock information through these tables: data_locks: Data locks held and requested data_lock_waits: Relationships between data lock owners and data lock requestors blocked by those owners metadata_locks: Metadata locks ...
https://dev.mysql.com/doc/refman/8.4/en/replication-solutions-backups-read-only.html
Note The instructions in this section place the server to be backed up in a state that is safe for backup methods that get the data from the server, such as mysqldump (see Section 6.5.4, “mysqldump — A Database Backup Program”). You should not ...
https://dev.mysql.com/doc/mysql-errors/8.4/en/client-error-reference.html
Client error messages originate from within the MySQL client library. Here is an example client error message, as displayed by the mysql client: $> mysql -h no-such-host ERROR 2005 (HY000): Unknown MySQL server host 'no-such-host' (0) Each client ...The client library also makes available to host client programs any errors that originate on the server side and are recieved by the client from the ...