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https://dev.mysql.com/doc/refman/8.0/en/sys-format-bytes.html
Note As of MySQL 8.0.16, format_bytes() is deprecated and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in FORMAT_BYTES() function instead. See Section 14.21, “Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/sys-format-statement.html
This function is useful for formatting possibly lengthy statements retrieved from Performance Schema tables to a known fixed maximum length. Configuration Options format_statement() operation can be modified using the following configuration options ... Given a string (normally representing an SQL statement), reduces it to the length given by the statement_truncate_len configuration option, and returns the ...
https://dev.mysql.com/doc/refman/8.0/en/sys-format-time.html
Note As of MySQL 8.0.16, format_time() is deprecated and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in FORMAT_PICO_TIME() function instead. See Section 14.21, “Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/binary-log-mysql-database.html
Statements that affect mysql database tables are written to the binary log using the following rules: Data manipulation statements that change data in mysql database tables directly are logged according to the setting of the binlog_format system ...
https://dev.mysql.com/doc/refman/8.0/en/explain-extended.html
The EXPLAIN statement produces extra (“extended”) information that is not part of EXPLAIN output but can be viewed by issuing a SHOW WARNINGS statement following EXPLAIN. As of MySQL 8.0.12, extended information is available for SELECT, DELETE, ...The Message value in SHOW WARNINGS output displays how the optimizer qualifies table and column names in the SELECT statement, what the SELECT looks like after the application of rewriting and optimization rules, and possibly other notes about the optimization ...
https://dev.mysql.com/doc/refman/8.0/en/reloading-delimited-text-dumps.html
For backups produced with mysqldump --tab, each table is represented in the output directory by an .sql file containing the CREATE TABLE statement for the table, and a .txt file containing the table data. To reload a table, first change location ...
https://dev.mysql.com/doc/refman/8.0/en/sys-format-path.html
Example mysql> SELECT sys.format_path('/usr/local/mysql/data/world/City.ibd'); +---------------------------------------------------------+ | sys.format_path('/usr/local/mysql/data/world/City.ibd') | ... Given a path name, returns the modified path ...
https://dev.mysql.com/doc/refman/8.0/en/error-log-json.html
For general information about configuring error logging, see Section 7.4.2.1, “Error Log Configuration”. This section describes how to configure error logging using the built-in filter, log_filter_internal, and the JSON sink, log_sink_json, to ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-concepts.html
That information is provided by the global value of the gtid_executed system variable. A global transaction identifier (GTID) is a unique identifier created and associated with each transaction committed on the server of origin (the source). This ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldump.html
The mysqldump command can also generate output in CSV, other delimited text, or XML format. Tip Consider using the MySQL Shell dump utilities, which provide parallel dumping with multiple threads, file compression, and progress information display, ... The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table ...