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https://dev.mysql.com/doc/refman/8.0/en/repeat.html
[begin_label:] REPEAT statement_list UNTIL search_condition END REPEAT [end_label] The statement list within a REPEAT statement is repeated until the search_condition expression is true. statement_list consists of one or more statements, each ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-functions.html
Certain functions do not replicate well under some conditions: The USER(), CURRENT_USER() (or CURRENT_USER), UUID(), VERSION(), and LOAD_FILE() functions are replicated without change and thus do not work reliably on the replica unless row-based ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-monitoring.html
This enables you to write complex queries based on Channel_Name as a key. To monitor the status of replication channels the following options exist: Using the replication Performance Schema tables. By default, if the FOR CHANNEL channel clause is ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks.html
(An exception is USER_VAR events that are associated with DDL queries, which are executed.) It does not execute any statements that are logged within DML transactions. By default, MySQL replication (including Group Replication) does not carry out ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-table-options.html
The replica checks for and evaluates table options only if either of the following two conditions is true: No matching database options were found. One or more database options were found, and were evaluated to arrive at an “execute” condition ...
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/reproducible-test-case.html
For information about steps to take when encountering InnoDB table corruption, see Section 1.5, “How to Report Bugs or Problems”. If you encounter corrupted MyISAM tables or if mysqld always fails after some update statements, you can test ...
https://dev.mysql.com/doc/refman/8.0/en/security-plugins.html
MySQL includes several components and plugins that implement security features: Plugins for authenticating attempts by clients to connect to MySQL Server. For general discussion of the authentication process, see Section 8.2.17, “Pluggable ...
https://dev.mysql.com/doc/refman/8.0/en/set.html
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. SET column values that consist of multiple set members are specified with members ...
https://dev.mysql.com/doc/refman/8.0/en/show-procedure-code.html
SHOW PROCEDURE CODE proc_name This statement is a MySQL extension that is available only for servers that have been built with debugging support. It displays a representation of the internal implementation of the named stored procedure. A similar ...