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https://dev.mysql.com/doc/refman/8.4/en/diagnostics-area.html
SQL statements produce diagnostic information that populates the diagnostics area. Standard SQL has a diagnostics area stack, containing a diagnostics area for each nested execution context. Standard SQL also supports GET STACKED DIAGNOSTICS syntax ...
https://dev.mysql.com/doc/refman/8.4/en/entering-queries.html
Make sure that you are connected to the server, as discussed in the previous section. Doing so does not in itself select any database to work with, but that is okay. At this point, it is more important to find out a little about how to issue ...
https://dev.mysql.com/doc/refman/8.4/en/events-overview.html
MySQL Events are tasks that run according to a schedule. When you create an event, you are creating a named database object containing one or more SQL statements to be executed at one or more regular intervals, beginning and ending at a specific ...
https://dev.mysql.com/doc/refman/8.4/en/events-privileges.html
To enable or disable the execution of scheduled events, it is necessary to set the value of the global event_scheduler system variable. The EVENT privilege governs the creation, modification, and deletion of events. For example, suppose that ...
https://dev.mysql.com/doc/refman/8.4/en/events-syntax.html
MySQL provides several SQL statements for working with scheduled events: New events are defined using the CREATE EVENT statement. The definition of an existing event can be changed by means of the ALTER EVENT statement. When a scheduled event is no ...
https://dev.mysql.com/doc/refman/8.4/en/general-tablespaces.html
A general tablespace is a shared InnoDB tablespace that is created using CREATE TABLESPACE syntax. The server keeps tablespace metadata in memory for the lifetime of a tablespace. Multiple tables in fewer general tablespaces consume less memory for ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-cloning.html
If you want to use remote cloning operations for distributed recovery in a group, you must set up existing members and joining members beforehand to support this function. If you do not want to use this function in a group, do not set it up, in ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-functions-for-member-actions.html
The following functions can be used to enable and disable actions for members of a group to take in specified situations, and to reset the configuration to the default setting for all member actions. They can only be used by administrators with the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-monitoring.html
You can use the MySQL Performance Schema to monitor Group Replication. These Performance Schema tables display information specific to Group Replication: replication_group_member_stats: See Section 20.4.4, “The replication_group_member_stats ...
https://dev.mysql.com/doc/refman/8.4/en/gtid-functions.html
The functions described in this section are used with GTID-based replication. It is important to keep in mind that all of these functions take string representations of GTID sets as arguments. As such, the GTID sets must always be quoted when used ...