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https://dev.mysql.com/doc/internals/en/com-field-list.html
Note As of MySQL 5.7.11, COM_FIELD_LIST is deprecated and will be removed in a future version of MySQL. COM_FIELD_LIST: get the column definitions of a table Payload 1 [04] COM_FIELD_LIST string[NUL] table string[EOF] field wildcard Returns ...
https://dev.mysql.com/doc/internals/en/com-process-info.html
Note As of MySQL 5.7.11, COM_PROCESS_INFO is deprecated and will be removed in a future version of MySQL. COM_PROCESS_INFO: get a list of active threads Returns a ProtocolText::Resultset or ERR_Packet Payload 1 [0a] COM_PROCCESS_INFO .
https://dev.mysql.com/doc/internals/en/support-for-delete.html
For non-indexed storage engines the parameter can be ignored, but transactional storage engines may need to store the deleted data for rollback purposes. The following example is from the CSV storage engine: int ha_tina::delete_row(const byte * buf) ...
https://dev.mysql.com/doc/ndbapi/en/mgm-structures.html
unsigned time: The time at which the log event was registered with the management server. int connect_count: The number of times this node has connected to or disconnected from the management server. int connect_count: The number of times this node ... This section provides information about the data structures defined by the MGM ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-tuning-recovery.html
If the connection retry limit is reached without a successful connection, the distributed recovery procedure terminates with an error. The following statement sets the maximum number of attempts to connect to a donor to 5: mysql> SET GLOBAL ...
https://dev.mysql.com/doc/heatwave-aws/en/ha-limitations.html
To reduce Query PrivateLink endpoint downtime on failovers or switchovers, configure your application by setting the value of the connect_timeout parameter to a small value (for example, 5 seconds) and by making it retry always upon connection ...
https://dev.mysql.com/doc/refman/8.4/en/charset-applications.html
Specify character settings at configuration time, if you build MySQL from source. If most or all applications use the same character set, specifying character settings at server startup or configuration time may be most convenient. Applications that ... For applications that store data using the default MySQL character set and collation (utf8mb4, utf8mb4_0900_ai_ci), no special configuration should be ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-tp-thread-group-stats-table.html
This number is incremented when a statement starts executing, not when it finishes. QUERIES_QUEUED The number of statements received that were queued for execution. This does not count statements that the thread group was able to begin executing ...
https://dev.mysql.com/doc/internals/en/select-union-engine.html
fix_length_and_dec() prepare cache and receive type and parameters (maximum of length) of returning items (called only by Item_singlerow_subselect). st_select_lex_unit::exec() can drop 'assigned' flag of Item_subselect if st_select_lex_unit::item is ...
https://dev.mysql.com/doc/workbench/en/wb-toolbar.html
The MySQL Workbench toolbar is located immediately below the menu bar. Click the tools in the toolbar to perform the following actions: The new document icon: Creates a new document The folder icon: Opens a MySQL Workbench file (.mwb extension) The ...