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https://dev.mysql.com/doc/internals/en/binary-protocol-resultset-row.html
ProtocolBinary::ResultsetRow: row of a binary resultset (COM_STMT_EXECUTE) Payload 1 packet header [00] string[$len] NULL-bitmap, length: (column-count + 7 + 2) / 8 string[$len] values Example 09 00 00 04 00 00 06 66 6f 6f 62 61 72 . A Binary ...
https://dev.mysql.com/doc/internals/en/binlog-version.html
Depending on the MySQL Version that created the binlog the format is slightly different.
https://dev.mysql.com/doc/internals/en/custom-engine-overview.html
The MySQL server is built in a modular fashion: The storage engines manage data storage and index management for MySQL. The MySQL server communicates with the storage engines through a defined API. Each storage engine is a class with each instance ...
https://dev.mysql.com/doc/internals/en/in-memory-record-layout.html
null bits: One bit per column that can be NULL. The "null bits" are rounded up to the next byte boundary. Length (pack_length) and layout of the fields depend on the field type: -- to be added -- Note: The "in-memory record layout" is used by the ...
https://dev.mysql.com/doc/internals/en/scripts-directory.html
Linux programmers use it where Windows programmers would use a *.bat (batch filename extension). Can be safely run during any upgrade to get the newest MySQL privilege tables mysql_install_db.sh --- Create privilege tables and func table ...
https://dev.mysql.com/doc/relnotes/mysql-monitor/8.0/en/news-8-0-16.html
Functionality Added or Changed Bugs Fixed Functionality Added or Changed The OpenSSL libraries used by MySQL Enterprise Monitor installers have been upgraded to 1.0.2r. The bundled JRE was updated to 1.8.0_212 for both the Agent and Service Manager.
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-reference.html
Timeout values are nonnegative integers representing the time in seconds to wait to acquire locks before timing out with an error. mysql> SELECT version_tokens_lock_exclusive('lock1', 'lock2', 10); ...(It is not an error to delete nonexisting ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-metrics-table.html
(The _RESET columns act like the lap counter on a stopwatch: you can measure the activity during some time interval, while the cumulative figures are still available in COUNT, MAX_COUNT, and so on.) MAX_COUNT_RESET The maximum counter value since it ...row *************************** NAME: dml_inserts SUBSYSTEM: dml COUNT: 3 MAX_COUNT: 3 MIN_COUNT: NULL AVG_COUNT: 0.046153846153846156 COUNT_RESET: 3 MAX_COUNT_RESET: 3 MIN_COUNT_RESET: NULL AVG_COUNT_RESET: NULL TIME_ENABLED: 2014-12-04 14:18:28 TIME_DISABLED: NULL TIME_ELAPSED: 65 TIME_RESET: NULL STATUS: enabled TYPE: status_counter COMMENT: Number of rows inserted Notes You must have the PROCESS privilege to query this ...
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 .