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https://dev.mysql.com/doc/refman/9.7/en/mysqld-multi.html
mysqld_multi is designed to manage several mysqld processes that listen for connections on different Unix socket files and TCP/IP ports. It can start or stop servers, or report their current status. Note For some Linux platforms, MySQL installation ...
https://dev.mysql.com/doc/refman/9.7/en/mysqldump.html
--zstd-compression-level=level Command-Line Format --zstd-compression-level=# Type Integer The compression level to use for connections to the server that use the zstd compression algorithm. The mysqldump client utility performs logical backups, ...
https://dev.mysql.com/doc/refman/9.7/en/mysqlimport.html
--zstd-compression-level=level Command-Line Format --zstd-compression-level=# Type Integer The compression level to use for connections to the server that use the zstd compression algorithm. The mysqlimport client provides a command-line interface ...
https://dev.mysql.com/doc/refman/9.7/en/mysqlshow.html
--zstd-compression-level=level Command-Line Format --zstd-compression-level=# Type Integer The compression level to use for connections to the server that use the zstd compression algorithm. The mysqlshow client can be used to quickly see which ...
https://dev.mysql.com/doc/refman/9.7/en/mysqlslap.html
--zstd-compression-level=level Command-Line Format --zstd-compression-level=# Type Integer The compression level to use for connections to the server that use the zstd compression algorithm. mysqlslap is a diagnostic program designed to emulate ...
https://dev.mysql.com/doc/refman/9.7/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 ...
https://dev.mysql.com/doc/refman/9.7/en/optimizer-statistics.html
The value is one of int, uint (unsigned integer), double, decimal, datetime, or string (includes character and binary strings). The column_statistics data dictionary table stores histogram statistics about column values, for use by the optimizer in ...
https://dev.mysql.com/doc/refman/9.7/en/option-tracker-component-functions.html
Return type: An integer: 0 on success, and a nonzero value (usually 1) otherwise. The Option Tracker provides the functions shown in the next table. More detailed information about each function is provided in the list following the table. These ...
https://dev.mysql.com/doc/refman/9.7/en/option-tracker-component-tables.html
This data uses 2 keys, listed here: usedCounter: An integer indicating the number of times the feature has been used. This table, like other Performance Schema tables, is read-only, and thus cannot be updated or truncated by users. See Section ...
https://dev.mysql.com/doc/refman/9.7/en/partitioning-key.html
Unlike the case with other partitioning types, columns used for partitioning by KEY are not restricted to integer or NULL values. Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined ...