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https://dev.mysql.com/doc/internals/en/optimizer-definitions.html
This description uses a narrow definition: The optimizer is the set of routines which decide what execution path the DBMS should take for queries. MySQL changes these routines frequently, so you should compare what is said here with what's in the ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-tablemetadata.html
The indexes array of TableMetadata contains one IndexMetadata object per table index. NDB implements a primary key as both an ordered index and a unique index, and might be viewed through the NDB API adapter as two indexes, but through a MySQL ...
https://dev.mysql.com/doc/ndbapi/en/ndb-start-autotools.html
It is often faster and simpler to use GNU autotools than to write your own makefiles. In this section, we provide an autoconf macro WITH_MYSQL that can be used to add a --with-mysql option to a configure file, and that automatically sets the ...
https://dev.mysql.com/doc/connectors/en/connector-net-connections-errors.html
Because connecting to an external server is unpredictable, it is important to add error handling to your .NET application. When there is an error connecting, the MySqlConnection class will return a MySqlException object. This object has two ...
https://dev.mysql.com/doc/connector-net/en/connector-net-connections-errors.html
Because connecting to an external server is unpredictable, it is important to add error handling to your .NET application. When there is an error connecting, the MySqlConnection class will return a MySqlException object. This object has two ...
https://dev.mysql.com/doc/internals/en/custom-engine-variables-and-parameters.html
For more information on adding system variables, status variables, and options supported on the command line or configuration file, see Section 5.5, “Specifying mysqld Variables Within a Plugin”.
https://dev.mysql.com/doc/internals/en/optimizer-tracing-typical-usage.html
# Turn tracing on (it's off by default): SET optimizer_trace="enabled=on"; SELECT ...; # your query here SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; # possibly more queries... # When done with tracing, disable it: SET ...
https://dev.mysql.com/doc/internals/en/creating-tables.html
Once a handler is instanced, the first operation that will likely be required is the creation of a table. Your storage engine must implement the [custom-engine.html#custom-engine-api-reference-create create()] virtual method: virtual int ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-performance-page-innodb-bufferpool-usage.html
The InnoDB Buffer Pool page displays information on the InnoDB buffer pool usage on the monitored server. Table 5.8 InnoDB Buffer Pool Performance Page Regions GraphDescriptionBuffer Usage Graphs the amount of megabytes in the InnoDB buffer pool ...
https://dev.mysql.com/doc/connectors/en/connector-j-connp-props-jdbc-compliance.html
useColumnNamesInFindColumn Prior to JDBC-4.0, the JDBC specification had a bug related to what could be given as a column name to result set methods like 'findColumn()', or getters that took a String property. JDBC-4.0 clarified "column name" to ...