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https://dev.mysql.com/doc/refman/8.4/en/group-replication-restarting-group.html
Group Replication is designed to ensure that the database service is continuously available, even if some of the servers that form the group are currently unable to participate in it due to planned maintenance or unplanned issues. As long as the ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-index-types.html
Each InnoDB table has a special index called the clustered index that stores row data. To get the best performance from queries, inserts, and other database operations, it is important to understand how InnoDB uses the clustered index to optimize ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-variables-info-table.html
The variables_info table shows, for each system variable, the source from which it was most recently set, and its range of values. VARIABLE_SOURCE The source from which the variable was most recently set: COMMAND_LINE The variable was set on the ...
https://dev.mysql.com/doc/refman/8.4/en/replication-gtids-concepts.html
A global transaction identifier (GTID) is a unique identifier created and associated with each transaction committed on the server of origin (the source). This identifier is unique not only to the server on which it originated, but is unique across ...
https://dev.mysql.com/doc/refman/8.4/en/working-with-null.html
The NULL value can be surprising until you get used to it. Conceptually, NULL means “a missing unknown value” and it is treated somewhat differently from other values. In MySQL, 0 or NULL means false and anything else means true. This special ...
https://dev.mysql.com/doc/internals/en/windows-native-authentication.html
Authentication::WindowsAuth: Name authentication_windows_client Requires CLIENT_PLUGIN_AUTH The Windows Native Authentication method is more complex than the other methods and extends the auth protocol as it has to send more data forth and back ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-basic-connect.html
This example, which can also be found in storage/ndb/ndbapi-examples/ndbapi_basic/ndbapi_basic_connect.cpp, demonstrates the use of Ndb_cluster_connection to connect to an NDB management server using a given connection string. On success, it ...
https://dev.mysql.com/doc/x-devapi-userguide/en/value-expression-strings.html
Value expression strings are used to compute a value which can then be assigned to a given field or column. This is necessary for both modify() and update(), as well as computing values in documents at insertion time. An example use of a value ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-js/en/value-expression-strings.html
Value expression strings are used to compute a value which can then be assigned to a given field or column. This is necessary for both modify() and update(), as well as computing values in documents at insertion time. An example use of a value ...
https://dev.mysql.com/doc/x-devapi-userguide-shell-python/en/value-expression-strings.html
Value expression strings are used to compute a value which can then be assigned to a given field or column. This is necessary for both modify() and update(), as well as computing values in documents at insertion time. An example use of a value ...