https://dev.mysql.com/integer-types.html
MySQL supports the SQL standard integer types INTEGER (or INT) and SMALLINT. As an extension to the standard, MySQL also supports the integer types TINYINT, MEDIUMINT, and BIGINT. The following table shows the required storage and range for each ...
https://dev.mysql.com/server-status-variable-reference.html
The following table lists all status variables applicable within mysqld. The last column indicates whether the scope for each variable is Global, Session, or both. Please see the corresponding item descriptions for details on setting and using the ...
https://dev.mysql.com/dynamic-system-variables.html
Many server system variables are dynamic and can be set at runtime. For a description of the privilege requirements for setting system variables, see Section 5.1.9.1, “System Variable Privileges” The following table lists all dynamic system ...
https://dev.mysql.com/server-system-variables.html
The MySQL server maintains many system variables that configure its operation. System variables can be set at server startup using options on the command line or in an option file. Most of them can be changed dynamically at runtime using the SET ...
https://dev.mysql.com/innodb-parameters.html
System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- prefix. For example, to enable or disable the InnoDB adaptive hash index, you can use --innodb-adaptive-hash-index or ...
https://dev.mysql.com/mysql-cluster-ndbd-definition.html
The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data nodes. [ndbd] and [ndbd default] are always used as the section names whether you are using ndbd or ndbmtd binaries for the data node processes. There ...
https://dev.mysql.com/performance-schema-system-variables.html
The Performance Schema automatically sizes the values of several of its parameters at server startup if they are not set explicitly. Performance Schema system variables have the following meanings: performance_schema Property Value Command-Line ...
https://dev.mysql.com/replication-options-slave.html
This section explains the server options and system variables that apply to slave replication servers and contains the following: Startup Options for Replication Slaves Options for Logging Slave Status to Tables System Variables Used on Replication ...
https://dev.mysql.com/audit-log-filter-definitions.html
For information about using JSON data in MySQL, see Section 11.6, “The JSON Data Type”. Filter definitions have this form, where actions indicates how filtering takes place: { "filter": actions } The following discussion describes permitted ...
https://dev.mysql.com/bit-functions.html
(The BIT_AND(), BIT_OR(), and BIT_XOR() aggregate functions are described in Section 12.20.1, “Aggregate (GROUP BY) Function Descriptions”.) Prior to MySQL 8.0, bit functions and operators required BIGINT (64-bit integer) arguments and returned ...
