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https://dev.mysql.com/doc/refman/8.4/en/performance-schema-functions.html
MySQL includes built-in SQL functions that format or retrieve Performance Schema data, and that may be used as equivalents for the corresponding sys schema stored functions. The built-in functions can be invoked in any schema and require no ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-variables-info-table.html
The variables_info table shows, for each system variable, the source from which it was most recently set, and its range of values. VARIABLE_SOURCE The source from which the variable was most recently set: COMMAND_LINE The variable was set on the ...
https://dev.mysql.com/doc/refman/8.4/en/precision-math-examples.html
This section provides some examples that show precision math query results in MySQL. These examples demonstrate the principles described in Section 14.24.3, “Expression Handling”, and Section 14.24.4, “Rounding Behavior”. Consider the ...
https://dev.mysql.com/doc/refman/8.4/en/prepare.html
PREPARE stmt_name FROM preparable_stmt The PREPARE statement prepares a SQL statement and assigns it a name, stmt_name, by which to refer to the statement later. The prepared statement is executed with EXECUTE and released with DEALLOCATE PREPARE.
https://dev.mysql.com/doc/refman/8.4/en/replication-options-gtids.html
The MySQL Server system variables described in this section are used to monitor and control Global Transaction Identifiers (GTIDs). For additional information, see Section 19.1.3, “Replication with Global Transaction Identifiers”.
https://dev.mysql.com/doc/refman/8.4/en/type-conversion.html
When an operator is used with operands of different types, type conversion occurs to make the operands compatible. For example, MySQL automatically converts strings to numbers as necessary, and vice versa. mysql> SELECT 1+'1'; -> 2 mysql> SELECT ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-start-client.html
This section covers starting the MySQL Cluster Manager client and connecting to the MySQL Cluster Manager agent. MySQL Cluster Manager 8.4.6 includes a command-line client mcm, located in the installation bin directory. You can connect to any MySQL ...
https://dev.mysql.com/doc/c-api/8.4/en/c-api-server-client-versions.html
The string and numeric forms of the MySQL server version are available at compile time as the values of the MYSQL_SERVER_VERSION and MYSQL_VERSION_ID macros, and at runtime as the values of the mysql_get_server_info() and mysql_get_server_version() ...
https://dev.mysql.com/doc/mysql-router/9.4/en/mysqlrouter.html
mysqlrouter Option Summaries mysqlrouter Option Descriptions MySQL Router accepts command line options that are passed into mysqlrouter to affect its behavior, or to bootstrap router based on an InnoDB Cluster. When starting Router, you can ...
https://dev.mysql.com/doc/mysql-ai/9.5/en/mys-ai-aml-data-drift-detection.html
MySQL AI includes data drift detection for classification and regression models. Before You Begin Review how to Create a Machine Learning Model. Data Drift Detection Overview Machine learning typically makes an assumption that the training data and ...