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https://dev.mysql.com/doc/refman/8.0/en/comp-err.html
--help, -? Command-Line Format --help Type Boolean Default Value false Display a help message and exit. --debug-info, -T Command-Line Format --debug-info Type Boolean Default Value false Print some debugging information when the program exits.
https://dev.mysql.com/doc/refman/8.0/en/connection-options.html
ssl-session-data-continue-on-failed-reuse Command-Line Format --ssl-session-data-continue-on-failed-reuse Introduced 8.0.29 Type Boolean Default Value OFF Controls whether a new connection is started to replace an attempted connection that tried but ... This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-options-variables.html
clone_autotune_concurrency Command-Line Format --clone-autotune-concurrency Introduced 8.0.17 System Variable clone_autotune_concurrency Scope Global Dynamic Yes SET_VAR Hint Applies No Type Boolean Default Value ON When clone_autotune_concurrency ... This section describes the system variables that control operation of the clone ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-restrictions.html
Although FULLTEXT indexes on ucs2 columns cannot be used, you can perform IN BOOLEAN MODE searches on a ucs2 column that has no such index. The MATCH() column list must match exactly the column list in some FULLTEXT index definition for the table, ... Full-text searches are supported for InnoDB and MyISAM tables ...
https://dev.mysql.com/doc/refman/8.0/en/index-hints.html
For boolean mode searches, index hints with FOR ORDER BY or FOR GROUP BY are silently ignored. Index hints give the optimizer information about how to choose indexes during query processing. Index hints, described here, differ from optimizer hints, ...
https://dev.mysql.com/doc/refman/8.0/en/json.html
BLOB BIT OPAQUE DATETIME TIME DATE BOOLEAN ARRAY OBJECT STRING INTEGER, DOUBLE NULL For JSON values of the same precedence, the comparison rules are type specific: BLOB The first N bytes of the two values are compared, where N is the number of bytes ...The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-trace-thread.html
in_start_fresh BOOLEAN: Whether to reset all Performance Schema data before tracing. in_auto_setup BOOLEAN: Whether to disable all other threads and enable all instruments and consumers. Dumps all Performance Schema data for an instrumented thread ...
https://dev.mysql.com/doc/refman/8.0/en/option-file-options.html
--no-defaults Command-Line Format --no-defaults Type Boolean Default Value false Do not read any option files. --print-defaults Command-Line Format --print-defaults Type Boolean Default Value false Print the program name and all options that it gets ... Most MySQL programs that support option files handle the following ...
https://dev.mysql.com/doc/refman/8.0/en/option-modifiers.html
Some options are “boolean” and control behavior that can be turned on or off. The “enabled” form of the option may be specified in any of these ways: --column-names --enable-column-names --column-names=1 The values ON, TRUE, OFF, and FALSE ...For example, the mysql client supports a --column-names option that determines whether or not to display a row of column names at the beginning of query ...
https://dev.mysql.com/doc/refman/8.0/en/non-typed-operators.html
->> Return value from JSON column after evaluating path and unquoting the result; equivalent to JSON_UNQUOTE(JSON_EXTRACT()). / Division operator := Assign a value = Assign a value (as part of a SET statement, or as part of the SET clause in an ...