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https://dev.mysql.com/doc/refman/8.0/en/thread-pool-operation.html
For example, if parallel transactions affect index creation or an online buffer pool resizing operation, you can configure a transaction delay to reduce resource contention while those operations are running. Otherwise, the thread pool considers the ... The thread pool consists of a number of thread groups, each of which manages a set of client ...
https://dev.mysql.com/doc/refman/8.0/en/view-algorithms.html
The optional ALGORITHM clause for CREATE VIEW or ALTER VIEW is a MySQL extension to standard SQL. A reason to specify TEMPTABLE explicitly is that locks can be released on underlying tables after the temporary table has been created and before it ...For MERGE, the text of a statement that refers to the view and the view definition are merged such that parts of the view definition replace corresponding parts of the ...
https://dev.mysql.com/doc/refman/8.0/en/adding-character-set.html
For a simple character set, create a configuration file, MYSET.xml, that describes the character set properties. For a complex character set, create a C source file that describes the character set properties and defines the support routines ...
https://dev.mysql.com/doc/refman/8.0/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-filter.html
Multiple replication filtering rules can be created in a single CHANGE REPLICATION FILTER statement by separating the rules with commas, as shown here: CHANGE REPLICATION FILTER REPLICATE_DO_DB = (d1), REPLICATE_IGNORE_DB = (d2); Issuing the ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-failure-handling.html
User-created data (schemas, tables, tablespaces) and binary logs on the recipient are removed before data is cloned to the recipient data directory. When user-created data and binary logs are removed from the recipient data directory during a remote ... This section describes failure handing at different stages of a cloning ...
https://dev.mysql.com/doc/refman/8.0/en/connection-interfaces.html
The server does not create threads to handle interfaces that it does not listen to. For example, a Windows server that does not have support for named-pipe connections enabled does not create a thread to handle them. Manager threads create a new ...
https://dev.mysql.com/doc/refman/8.0/en/cost-model.html
The primary key for the server_cost table is the cost_name column, so it is not possible to create multiple entries for any cost estimate. The server recognizes these cost_name values for the server_cost table: disk_temptable_create_cost, ... To ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-plugin-usage.html
Creating Views that Display Masked Data If masked data from a table is used for multiple queries, it may be convenient to define a view that produces masked data. Before using MySQL Enterprise Data Masking and De-Identification, install it ...
https://dev.mysql.com/doc/refman/8.0/en/declare-handler.html
statement handler_action: { CONTINUE | EXIT | UNDO } condition_value: { mysql_error_code | SQLSTATE [VALUE] sqlstate_value | condition_name | SQLWARNING | NOT FOUND | SQLEXCEPTION } The DECLARE ... HANDLER statement specifies a handler that deals ...