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https://dev.mysql.com/doc/refman/8.0/en/resource-groups.html
MySQL supports creation and management of resource groups, and permits assigning threads running within the server to particular groups so that threads execute according to the resources available to the group. Group attributes enable control over ...
https://dev.mysql.com/doc/refman/8.0/en/scalar-subqueries.html
When you see examples in the following sections that contain the rather spartan construct (SELECT column1 FROM t1), imagine that your own code contains much more diverse and complex constructions. In its simplest form, a subquery is a scalar ...
https://dev.mysql.com/doc/refman/8.0/en/scheduler-component.html
The calling code should keep this handle and the service reference to the scheduling service until after calling the mysql_scheduler.destroy() service. Note The scheduler component is included in MySQL Enterprise Edition, a commercial product. As ...
https://dev.mysql.com/doc/refman/8.0/en/security-against-attack.html
If the plugin directory is writable by the server, it may be possible for a user to write executable code to a file in the directory using SELECT ... When you connect to a MySQL server, you should use a password. All other information is ...
https://dev.mysql.com/doc/refman/8.0/en/server-loadable-functions.html
That terminology was something of a misnomer because “user-defined” also can apply to other types of functions, such as stored functions (a type of stored object written using SQL) and native functions added by modifying the server source code.
https://dev.mysql.com/doc/refman/8.0/en/show-engine.html
Use SHOW ENGINE PERFORMANCE_SCHEMA STATUS to inspect the internal operation of the Performance Schema code: mysql> SHOW ENGINE PERFORMANCE_SCHEMA STATUS\G ... SHOW ENGINE engine_name {STATUS | MUTEX} SHOW ENGINE displays operational information ...
https://dev.mysql.com/doc/refman/8.0/en/sql-compound-statements.html
These objects are defined in terms of SQL code that is stored on the server for later invocation (see Chapter 27, Stored Objects). END compound statement and other statements that can be used in the body of stored programs: Stored procedures and ...
https://dev.mysql.com/doc/refman/8.0/en/statement-labels.html
[begin_label:] BEGIN [statement_list] END [end_label] [begin_label:] LOOP statement_list END LOOP [end_label] [begin_label:] REPEAT statement_list UNTIL search_condition END REPEAT [end_label] [begin_label:] WHILE search_condition DO statement_list ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engines.html
Example: This engine serves as an example in the MySQL source code that illustrates how to begin writing new storage engines. Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and ...
https://dev.mysql.com/doc/refman/8.0/en/stored-objects.html
This chapter discusses stored database objects that are defined in terms of SQL code that is stored on the server for later execution. Stored objects include these object types: Stored procedure: An object created with CREATE PROCEDURE and invoked ...