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https://dev.mysql.com/doc/refman/8.0/en/create-trigger.html
CREATE [DEFINER = user] TRIGGER [IF NOT EXISTS] trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW [trigger_order] trigger_body trigger_time: { BEFORE | AFTER } trigger_event: { INSERT | UPDATE | DELETE } trigger_order: { FOLLOWS | ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-stages-current-table.html
END_EVENT_ID This column is set to NULL when the event starts and updated to the thread current event number when the event ends. The TIMER_START and TIMER_END values indicate when event timing started and ended. If an event has not finished, ...For ...The table stores one row per thread showing the current status of the thread's most recent monitored stage event, so there is no system variable for configuring the table ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-distributed-recovery.html
When the joining member is up to date with all the group's transactions, it is declared online and can participate in the group as a normal member, and distributed recovery is complete. This minimizes the time taken for distributed recovery, and ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-filter.html
The following list shows the CHANGE REPLICATION FILTER options and how they relate to --replicate-* server options: REPLICATE_DO_DB: Include updates based on database name. Filters set using this statement differ from those set using the server ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication.html
For information about performing point-in-time recovery with NDB Cluster and NDB Cluster Replication, see Section 25.7.9.2, “Point-In-Time Recovery Using NDB Cluster Replication”. This section explains how to set up and manage a configuration in ... NDB Cluster supports asynchronous replication, more usually referred to simply as ...
https://dev.mysql.com/doc/refman/8.0/en/replication-functions-synchronization.html
It blocks until the replica has read and applied all updates up to the specified position in the source's binary log. If binary log transaction compression is in use and the transaction payload at the specified position is compressed (as a ... The ...The return value is the number of log events the replica had to wait for to advance to the specified ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-provision-replica.html
The statement can therefore potentially be left in the dump output when you replay the dump files on the replica, and the dump files can be replayed at different times. If the sources in the multi-source replication topology have existing data, it ...The best strategy for provisioning such a replica is therefore to use mysqldump to create an appropriate dump file on each source, then use the mysql client to import the dump file on the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-recovery.html
After restoring the base backup, do a point-in-time recovery from the binary log files using mysqlbinlog and mysql to restore the changes that occurred after the backup was made. If all changes are flushed from the buffer pool to the tablespaces ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-range.html
You want to use a column containing date or time values, or containing values arising from some other series. Partition the table by RANGE COLUMNS, using a DATE or DATETIME column as the partitioning column. Ranges should be contiguous but not ... A ...
https://dev.mysql.com/doc/refman/8.0/en/statement-caching.html
For certain statements that a client might execute multiple times during a session, the server converts the statement to an internal structure and caches that structure to be used during execution. Conversion and caching occurs for these ...Caching ...