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https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-8-4.html
The following list details the changes to specific options and variables within MySQL 8.4.
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-9-3.html
The following list details the changes to specific options and variables within MySQL 9.3.
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-9-4.html
The following list details the changes to specific options and variables within MySQL 9.4.
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-9-5.html
The following list details the changes to specific options and variables within MySQL 9.5.
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-9-6.html
The following list details the changes to specific options and variables within MySQL 9.6.
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-9-7.html
The following list details the changes to specific options and variables within MySQL 9.7. audit_log_filter_recovery_mode Introduced in version 9.7.0 audit_log.filter_recovery_mode Introduced in version 9.7.0 audit_log.rotate_on_time Introduced in ...
https://dev.mysql.com/doc/refman/8.4/en/time-zone-support.html
Time Zone Variables Populating the Time Zone Tables Staying Current with Time Zone Changes Time Zone Leap Second Support Time Zone Variables MySQL Server maintains several time zone settings: The server system time zone. When the server starts, it ...If you start the server using mysqld_safe, its --timezone option provides another way to set the system time ... This section describes the time zone settings maintained by MySQL, how to load the system tables ...
https://dev.mysql.com/doc/refman/8.4/en/using-encrypted-connections.html
Server-Side Startup Configuration for Encrypted Connections To require that clients connect using encrypted connections, enable the require_secure_transport system variable. These system variables on the server side specify the certificate and key ...To expose the context values, the server also initializes a set of corresponding status ...(ssl_capath is similar but specifies the path name of a directory ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-key-migration.html
Pausing keyring operations during an online migration is accomplished by connecting to the running server and setting its global keyring_operations system variable to OFF before key copying and ON after key copying. This is typically the value of ...
https://dev.mysql.com/doc/refman/8.4/en/gone-away.html
You may also see the MySQL server has gone away error if MySQL is started with the skip_networking system variable enabled. If you need big queries (for example, if you are working with big BLOB columns), you can increase the query limit by setting ... This section also covers the related Lost connection to server during query ...If you have a script, you ...