https://dev.mysql.com/error-log-format.html
It writes messages using this format: timestamp thread_id [priority] [err_code] [subsystem] message The [ and ] square bracket characters are literal characters in the message format. The server generates some error log messages before startup ...
https://dev.mysql.com/faqs-replication.html
When the slave SQL thread executes an event read from the master, it modifies its own time to the event timestamp. (This is why TIMESTAMP is well replicated.) In the Time column in the output of SHOW PROCESSLIST, the number of seconds displayed for ... In the following section, we provide answers to questions that are most frequently asked about MySQL ...
https://dev.mysql.com/func-op-summary-ref.html
GTID_SUBTRACT() Return all GTIDs in set that are not in subset. JSON_CONTAINS() Whether JSON document contains specific object at path JSON_CONTAINS_PATH() Whether JSON document contains any data at path JSON_DEPTH() Maximum depth of JSON document ...
https://dev.mysql.com/innodb-metrics-table.html
The INNODB_METRICS table provides a wide variety of InnoDB performance information, complementing the specific focus areas of the Performance Schema tables for InnoDB. With simple queries, you can check the overall health of the system. With more ...
https://dev.mysql.com/load-data.html
INTO Syntax”.) To write data from a table to a file, use SELECT ... To read the file back into a table, use LOAD DATA. The syntax of the FIELDS and LINES clauses is the same for both statements. You can also load data files by using the ...
https://dev.mysql.com/mysql-stmt-fetch.html
CR_UNSUPPORTED_PARAM_TYPE The buffer type is MYSQL_TYPE_DATE, MYSQL_TYPE_TIME, MYSQL_TYPE_DATETIME, or MYSQL_TYPE_TIMESTAMP, but the data type is not DATE, TIME, DATETIME, or TIMESTAMP. int mysql_stmt_fetch(MYSQL_STMT *stmt) mysql_stmt_fetch() ...
https://dev.mysql.com/mysqlbinlog-hexdump.html
For more information about binary log format, see MySQL Internals: The Binary Log. In the example shown, '9d fc 5c 43' is the representation of '051024 17:24:13' in hexadecimal. Master ID: The server ID of the master that created the event. Master ...
https://dev.mysql.com/replication-features-functions.html
(You can consider the function execution timestamp and random number seed as implicit inputs that are identical on the master and slave.) The FOUND_ROWS() and ROW_COUNT() functions are not replicated reliably using statement-based replication.
https://dev.mysql.com/storage-requirements.html
Leftover Digits Number of Bytes 0 0 1 1 2 1 3 2 4 2 5 3 6 3 7 4 8 4 For TIME, DATETIME, and TIMESTAMP columns, the storage required for tables created before MySQL 5.6.4 differs from tables created from 5.6.4 on. InnoDB Table Storage Requirements ...
https://dev.mysql.com/using-date.html
MySQL also permits a “relaxed” string format when updating and in a WHERE clause that compares a date to a DATE, DATETIME, or TIMESTAMP column. When you compare a DATE, TIME, DATETIME, or TIMESTAMP to a constant string with the <, <=, =, >=, >, ...You should use this format in UPDATE expressions and in the WHERE clause of SELECT ...
