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https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-monitoring.html
To monitor the connection status of all channels: mysql> SELECT * FROM replication_connection_status\G; *************************** 1. To monitor the connection status of a named channel, use a WHERE CHANNEL_NAME=channel clause: mysql> SELECT * FROM ... To monitor the status of replication channels the following options exist: Using the replication Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-db-options.html
This means that you must select the default database explicitly with a USE statement in order for a DDL statement to be applied. Is there a default database (has any database been selected by USE)? Yes. When evaluating replication options, the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-partitioning.html
Important You should not use --replicate-do-db for this purpose when using statement-based replication, since statement-based replication causes this option's effects to vary according to the database that is currently selected. However, it should ... There may be situations where you have a single source server and want to replicate different databases to different ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-rbr-monitoring.html
For example to get progress for update events issue: mysql> SELECT WORK_COMPLETED, WORK_ESTIMATED FROM performance_schema.events_stages_current -> WHERE EVENT_NAME LIKE 'stage/sql/Applying batch of row changes (update)' If ... The current progress ...
https://dev.mysql.com/doc/refman/8.0/en/replication.html
Depending on the configuration, you can replicate all databases, selected databases, or even selected tables within a database. Replication enables data from one MySQL database server (known as a source) to be copied to one or more MySQL database ...
https://dev.mysql.com/doc/refman/8.0/en/request-access.html
SELECT statement, you need both the INSERT and the SELECT privileges. After the server accepts a connection, it enters Stage 2 of access control. For each request that you issue through the connection, the server determines what operation you want ...
https://dev.mysql.com/doc/refman/8.0/en/resource-groups.html
Initially, the RESOURCE_GROUPS table has these rows describing the default groups: mysql> SELECT * FROM INFORMATION_SCHEMA.RESOURCE_GROUPS\G *************************** 1. MySQL supports creation and management of resource groups, and permits ...
https://dev.mysql.com/doc/refman/8.0/en/retrieving-data.html
The SELECT statement is used to pull information from a table. The general form of the statement is: SELECT what_to_select FROM which_table WHERE conditions_to_satisfy; what_to_select indicates what you want to see. This can be a list of columns, ...
https://dev.mysql.com/doc/refman/8.0/en/rewriter-query-rewrite-plugin.html
These statements are subject to rewriting: As of MySQL 8.0.12: SELECT, INSERT, REPLACE, UPDATE, and DELETE. MySQL supports query rewrite plugins that can examine and possibly modify SQL statements received by the server before the server executes ...
https://dev.mysql.com/doc/refman/8.0/en/session-state-tracking.html
A client can enable these trackers to receive notification of changes to its session state. Uses for Session State Trackers Available Session State Trackers C API Session State Tracker Support Test Suite Session State Tracker Support Uses for ...