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https://dev.mysql.com/doc/refman/8.4/en/alter-table-partition-operations.html
Partitioning-related clauses for ALTER TABLE can be used with partitioned tables for repartitioning, to add, drop, discard, import, merge, and split partitions, and to perform partitioning maintenance. Simply using a partition_options clause with ...
https://dev.mysql.com/doc/refman/8.4/en/ansi-diff-comments.html
Standard SQL uses the C syntax /* this is a comment */ for comments, and MySQL Server supports this syntax as well. MySQL also support extensions to this syntax that enable MySQL-specific SQL to be embedded in the comment; see Section 11.7, ...
https://dev.mysql.com/doc/refman/8.4/en/any-in-some-subqueries.html
The expression is TRUE if table t2 contains (21,14,7) because there is a value 7 in t2 that is less than 10. The expression is FALSE if table t2 contains (20,10), or if table t2 is empty. The expression is unknown (that is, NULL) if table t2 ...
https://dev.mysql.com/doc/refman/8.4/en/apis-ruby.html
The mysql2 Ruby gem provides an API for connecting to MySQL, performing queries, and iterating through results; it is intended to support MySQL 5.7 and MySQL 8.0. For more information, see the mysql2 page at RubyGems.org or the project's GitHub ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-elements.html
The AUDIT_ADMIN privilege enable users to administer the audit log, and the AUDIT_ABORT_EXEMPT privilege enables system users to execute queries that would otherwise be blocked by an “abort” item in the audit log filter. MySQL Enterprise Audit ...
https://dev.mysql.com/doc/refman/8.4/en/backup-and-recovery.html
It is important to back up your databases so that you can recover your data and be up and running again in case problems occur, such as system crashes, hardware failures, or users deleting data by mistake. Backups are also essential as a safeguard ...
https://dev.mysql.com/doc/refman/8.4/en/backup-methods.html
Making a Hot Backup with MySQL Enterprise Backup Customers of MySQL Enterprise Edition can use the MySQL Enterprise Backup product to do physical backups of entire instances or selected databases, tables, or both. Backing up the physical database ...
https://dev.mysql.com/doc/refman/8.4/en/backup-types.html
This section describes the characteristics of different types of backups. Physical (Raw) Versus Logical Backups Physical backups consist of raw copies of the directories and files that store database contents. This type of backup is suitable for ...
https://dev.mysql.com/doc/refman/8.4/en/binary-log-setting.html
You can select the binary logging format explicitly by starting the MySQL server with --binlog-format=type. The supported values for type are: STATEMENT causes logging to be statement based. Setting the binary logging format does not activate ...
https://dev.mysql.com/doc/refman/8.4/en/cannot-create.html
If you get an error of the following type for some queries, it means that MySQL cannot create a temporary file for the result set in the temporary directory: Can't create/write to file '\\sqla3fe_0.ism'. The preceding error is a typical message for ...