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https://dev.mysql.com/doc/refman/8.0/en/point-in-time-recovery-positions.html
As an example, suppose that around 20:06:00 on March 11, 2020, an SQL statement was executed that deleted a table. You can perform a point-in-time recovery to restore the server up to its state right before the table deletion. In our example, given ... The last section, Section 9.5.1, “Point-in-Time Recovery Using Binary Log”, explains the general idea of using the binary log to perform a ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-triggers.html
If an upgraded replication source server still has old replicas using MySQL versions that do not support multiple triggers, an error occurs on those replicas if a trigger is created on the source for a table that already has a trigger with the same ... With statement-based replication, triggers executed on the source also execute on the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source-monitoring.html
To monitor the status of replication channels the following options exist: Using the replication Performance Schema tables. The information that was available through these variables has been migrated to the replication performance tables. This ...
https://dev.mysql.com/doc/refman/8.0/en/serialized-dictionary-information.html
Other storage engines store SDI data in .sdi files that are created for a given table in the table's database directory. Serialized dictionary information (SDI) is present in all InnoDB tablespace files except for temporary tablespace and undo ...
https://dev.mysql.com/doc/refman/8.0/en/using-explain.html
That is, MySQL explains how it would process the statement, including information about how tables are joined and in which order. With the help of EXPLAIN, you can see where you should add indexes to tables so that the statement executes faster by ... The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE ...
https://dev.mysql.com/doc/refman/8.0/en/using-log-files.html
Note that before starting mysqld with the general query log enabled, you should check all your tables with myisamchk. If this happens, you should check all your tables with myisamchk (see Chapter 7, MySQL Server Administration), and test the ...If ...
https://dev.mysql.com/doc/refman/8.0/en/windows-restrictions.html
Alternatively, to use more than 2GB, use a 64-bit version of Windows. File system aliases When using MyISAM tables, you cannot use aliases within Windows link to the data files on another volume and then link back to the main MySQL datadir location.
https://dev.mysql.com/doc/refman/8.0/en/crashing.html
In this case, you can try to change the storage engine to another engine by using ALTER TABLE on a repaired copy of the table. If you have a problem with tables containing dynamic-length rows and you are using only VARCHAR columns (not BLOB or TEXT ...The preceding means that normally you should not get corrupted tables unless one of the following happens: The MySQL server or the server host was killed in the middle of an ...
https://dev.mysql.com/doc/refman/8.0/en/full-disk.html
Exceptions to the preceding behavior are when you use REPAIR TABLE or OPTIMIZE TABLE or when the indexes are created in a batch after LOAD DATA or after an ALTER TABLE statement. The exception is that for ALTER TABLE, the old table is left unchanged. Other threads might be waiting for the table that caused the disk-full ... This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-multiple-nodes.html
ALTER TABLE is not fully locking when running multiple MySQL servers (SQL nodes). Stored procedures, stored functions, triggers, and scheduled events are all supported by tables using the NDB storage engine, but these do not propagate automatically ...The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not ...