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https://dev.mysql.com/doc/internals/en/implementing-records-in-range-method.html
The [custom-engine.html#custom-engine-api-reference-records_in_range records_in_range()] method is called by the optimizer to assist in choosing which index on a table to use for a query or join. It is defined as follows: ha_rows ...
MySQL NDB Cluster API Developer Guide :: 4.2.2.5 ClusterJ Mappings Between MySQL and Java Data Types
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-mappings.html
ClusterJ provides mappings for all of the common MySQL database types to Java types. Java object wrappers of primitive types should be mapped to nullable database columns. Note Since Java does not have native unsigned data types, UNSIGNED columns ...
https://dev.mysql.com/doc/internals/en/debug-sync-further-reading.html
For complete syntax tests, functional tests, and examples see the test case debug_sync.test. See also worklog entry WL#4259 - Debug Sync Facility Reference manual 5.1 2.3.2 Typical configure Options (--enable-debug-sync) 5.1.2 Command Options ...
https://dev.mysql.com/doc/internals/en/optimizer-constant-propagation.html
Probably they should not apply for LIKE either, but that's a story for another day. Constant propagation happens in a loop, so the output from one propagation step can be input for the next step.
https://dev.mysql.com/doc/connectors/en/connector-j-usagenotes-known-issues-limitations.html
The following are some known issues and limitations for MySQL Connector/J: When Connector/J retrieves timestamps for a daylight saving time (DST) switch day using the getTimeStamp() method on the result set, some of the returned values might be ...
https://dev.mysql.com/doc/connectors/en/connector-python-option-files.html
(For general information about option files in MySQL, see Using Option Files.) Two arguments for the connect() call control use of option files in Connector/Python programs: option_files: Which option files to read. The value can be a file path name ...
https://dev.mysql.com/doc/connector-python/en/connector-python-option-files.html
(For general information about option files in MySQL, see Using Option Files.) Two arguments for the connect() call control use of option files in Connector/Python programs: option_files: Which option files to read. The value can be a file path name ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-advisor-data-placement.html
Data placement keys are used to partition table data among MySQL HeatWave nodes when loading tables. Partitioning table data by JOIN and GROUP BY key columns can improve query performance by avoiding costs associated with redistributing data among ...
https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-known-issues-limitations.html
The following are some known issues and limitations for MySQL Connector/J: When Connector/J retrieves timestamps for a daylight saving time (DST) switch day using the getTimeStamp() method on the result set, some of the returned values might be ...
https://dev.mysql.com/doc/refman/8.4/en/create-table-secondary-indexes.html
A secondary index defined on a virtual column is sometimes referred to as a “virtual index”. A secondary index may be created on one or more virtual columns or on a combination of virtual columns and regular columns or stored generated columns.