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https://dev.mysql.com/doc/refman/8.0/en/create-table-generated-columns.html
This can be useful for working with columns of types that cannot be indexed directly, such as JSON columns; see Indexing a Generated Column to Provide a JSON Column Index, for a detailed example. Values of a generated column are computed from an ...
https://dev.mysql.com/doc/refman/8.0/en/create-tablespace.html
Permitted values are a string literal containing a valid JSON document or an empty string (''). The precise syntax and semantics depend on the storage engine used. MySQL NDB Cluster also supports tablespaces using the NDB storage engine.
https://dev.mysql.com/doc/refman/8.0/en/displaying-traces.html
As noted previously, you should ensure that end_markers_in_json is OFFwhen executing the SELECT INTO statement, so that the output is valid JSON. Examining a trace in the mysql command-line client can be made less difficult using the pager less ...
https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html
The second syntax returns the result for the first condition that is true. If no comparison or condition is true, the result after ELSE is returned, or NULL if there is no ELSE part. Note The syntax of the CASE operator described here differs ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations-database-objects.html
Each BLOB or TEXT column contributes 256 + 8 = 264 bytes to this total; this includes JSON columns. See String Type Storage Requirements, as well as JSON Storage Requirements, for more information relating to these types. Some database objects such ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-options-variables.html
Allowing batched updates on the replica greatly improves performance, particularly when replicating TEXT, BLOB, and JSON columns. Allowing batched updates on the replica greatly improves performance, particularly when replicating TEXT, BLOB, and ...
https://dev.mysql.com/doc/refman/8.0/en/option-files.html
This excludes .mylogin.cnf, which is created using mysql_config_editor and is encrypted, and mysqld-auto.cnf, which the server creates in JSON format. Most MySQL programs can read startup options from option files (sometimes called configuration ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-error-log-table.html
For example, if the log sink is log_sink_internal or log_sink_json, DATA values represent error events in traditional or JSON format, respectively. Currently, the traditional-format log_sink_internal and JSON-format log_sink_json sinks support ...
https://dev.mysql.com/doc/refman/8.0/en/using-explain.html
The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. When EXPLAIN is used with an explainable statement, MySQL displays information from the ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table.html
InnoDB in MySQL 8.0.17 and later supports addition of multi-valued indexes on JSON columns using a key_part specification can take the form (CAST json_path AS type ARRAY). ALTER TABLE tbl_name [alter_option [, alter_option] ...] [partition_options] ...