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https://dev.mysql.com/doc/refman/9.7/en/performance-schema-persisted-variables-table.html
The SENSITIVE_VARIABLES_OBSERVER privilege is required to view the values of sensitive system variables in this table. The persisted_variables table provides an SQL interface to the mysqld-auto.cnf file that stores persisted global system variable ...Variables are persisted using SET PERSIST or PERSIST_ONLY statements; see Section 15.7.6.1, “SET Syntax for Variable ...
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-8-0.html
The following list details the changes to specific options and variables within MySQL 8.0.
https://dev.mysql.com/doc/heatwave/en/mys-hw-varlen-encoding.html
Variable-length (VARLEN) encoding has the following characteristics: Supports all character sets and collation types supported by the DB System, and expressions with non-boolean types. Variable-length encoding is automatically applied when tables ...You can define the encoding type while creating the table or later modify it using ALTER TABLE ...
https://dev.mysql.com/doc/refman/9.7/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/mysql-router/9.7/en/mysql-router-conf-options.html
The Router logs contain extra information for blocked clients, such as: INFO [...] 1 authentication errors for fail.example.com (max 100) WARNING [...] blocking client host fail.example.com max_connect_errors = 100 client_connect_timeout Type ...For ... When started, MySQL Router reads a list of configuration files that together make up the configuration of the ...
https://dev.mysql.com/doc/mysql-shell/9.7/en/mysql-shell-global-variables.html
Important The names of the MySQL Shell global objects are reserved as global variables and must not be used, for example, as names of variables. If you assign one of the global variables you override the above functionality, and to restore it you ...
https://dev.mysql.com/doc/mysql-shell/9.7/en/mysql-shell-startup-scripts.html
The sys.path variable can be customized using the MySQL Shell startup script mysqlshrc.js for JavaScript mode or mysqlshrc.py for Python mode. Using the startup script, you can append module paths directly to the sys.path variable. Alternatively, ...For more information on the startup scripts and their locations, see Section 14.1, “Working With Startup ...
https://dev.mysql.com/doc/mysqld-version-reference/en/optvar-changes-5-7.html
The following list details the changes to specific options and variables within MySQL 5.7.
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.