Search Results
https://dev.mysql.com/doc/refman/8.4/en/partitioning-types.html
With this type of partitioning, a partition is selected based on the value returned by a user-defined expression that operates on column values in rows to be inserted into the table. When a new row is inserted into a partitioned table, it is these ... This section discusses the types of partitioning which are available in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema.html
Event collection provides access to information about synchronization calls (such as for mutexes) file and table I/O, table locks, and so forth for the server and for several storage engines. Performance Schema tables are considered local to the ...
MySQL 8.4 Reference Manual :: 19.2.1.3 Determination of Safe and Unsafe Statements in Binary Logging
https://dev.mysql.com/doc/refman/8.4/en/replication-rbr-safe-unsafe.html
Trigger or stored program updates a table having an AUTO_INCREMENT column. In addition, an INSERT into a table that has a composite primary key containing an AUTO_INCREMENT column that is not the first column of this composite key is unsafe. ON ...
https://dev.mysql.com/doc/refman/8.4/en/replication-sbr-rbr.html
(Row-based replication, however, simply replicates the value returned by the function or stored program, so its effect on table rows and data is the same on both the source and replica.) See Section 19.5.1.16, “Replication of Invoked Features”, ...For most users, the mixed replication format should provide the best combination of data integrity and ...
https://dev.mysql.com/doc/refman/8.4/en/slow-query-log.html
Note If you specify the TABLE log destination, see Log Tables and “Too many open files” Errors. Administrative statements include ALTER TABLE, ANALYZE TABLE, CHECK TABLE, CREATE INDEX, DROP INDEX, OPTIMIZE TABLE, and REPAIR TABLE. (Even with ...
https://dev.mysql.com/doc/refman/8.4/en/subquery-restrictions.html
In general, you cannot modify a table and select from the same table in a subquery. FROM t ...); Exception: The preceding prohibition does not apply if for the modified table you are using a derived table and that derived table is materialized ...
https://dev.mysql.com/doc/refman/8.4/en/thread-pool-elements.html
In older versions of MySQL, the monitoring tables were INFORMATION_SCHEMA tables (see Section 28.5, “INFORMATION_SCHEMA Thread Pool Tables”). The INFORMATION_SCHEMA tables are deprecated; expect them to be removed in a future version of MySQL.
https://dev.mysql.com/doc/refman/8.4/en/values.html
VALUES is a DML statement which returns a set of one or more rows as a table. In other words, it is a table value constructor which also functions as a standalone SQL statement. You should also bear in mind that ROW() is a row value constructor ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-backup-process.html
The data and the structures of the InnoDB tables might have changed during this period; so, some of the following steps are for making sure those changes are captured in the backup. It blocks DDL operations (except for those on user-created ... The ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-shell-commands.html
The following table lists the commands that are available regardless of the currently selected language. Once established, an SSH tunnel can be shared between connections to the same host from the same user connecting from the same instance, ...