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https://dev.mysql.com/doc/refman/8.4/en/json.html
The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON columns. JSON documents stored in JSON columns are converted to an internal format that permits ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-syntax.html
Some SQL statements relating to certain MySQL features produce errors when used with NDB tables, as described in the following list: Temporary tables. Trying either to create a temporary table that uses the NDB storage engine or to alter an ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-index-optimization.html
MySQL permits creation of SPATIAL indexes on NOT NULL geometry-valued columns (see Section 13.4.10, “Creating Spatial Indexes”). The optimizer checks the SRID attribute for indexed columns to determine which spatial reference system (SRS) to ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-reference-systems.html
A spatial reference system (SRS) for spatial data is a coordinate-based system for geographic locations. There are different types of spatial reference systems: A projected SRS is a projection of a globe onto a flat surface; that is, a flat map.
https://dev.mysql.com/doc/internals/en/generating-browsable-binary-log-information.html
Source files in the sql directory of a MySQL source tree or source distribution contain comments that can be processed with doxygen to generate HTML files that describe classes, files, and so forth. To generate the HTML files and view information ...
https://dev.mysql.com/doc/relnotes/heatwave/en/news-9-0-0.html
MySQL HeatWave AutoML MySQL HeatWave Autopilot MySQL HeatWave GenAI MySQL HeatWave Lakehouse MySQL HeatWave Functionality Added or Changed MySQL HeatWave AutoML MySQL HeatWave AutoML has increased the maximum model size from 900MB. The MySQL ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-shell-utilities-upgrade.html
The util.checkForServerUpgrade() function is an upgrade checker utility that enables you to verify whether MySQL server instances are ready for upgrade. You can select a target MySQL Server release to which you plan to upgrade, ranging from the ...
https://dev.mysql.com/doc/workbench/en/wb-develop-sql-editor-results.html
The results area of the screen shows the results from executed statements. If the script contains multiple statements, a result subtab will be generated for each statemented that returned results. The following figure shows a single subtab and ...
https://dev.mysql.com/doc/workbench/en/wb-what-is-new-8.html
This section summarizes how the MySQL Workbench 8.0 release series progressed with each minor release. New requirements for the CHANGE MASTER TO replication statement (row format, primary key check). Failed login attempts and password lock time in ...
https://dev.mysql.com/doc/refman/8.4/en/server-system-variables.html
The MySQL server maintains many system variables that affect its operation. Most system variables can be set at server startup using options on the command line or in an option file. Most of them can be changed dynamically at runtime using the SET ...