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https://dev.mysql.com/doc/connector-j/en/connector-j-config-failover.html
However, this does not mean the client does not have to deal with the exception that triggered the server switch. The failover is configured at the initial setup stage of the server connection by the connection URL (see explanations for its format ...A failover happens when connection-related errors occur for an underlying, active ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-compared.html
MySQL Server offers a number of choices in storage engines. Since both NDB and InnoDB can serve as transactional MySQL storage engines, users of MySQL Server sometimes become interested in NDB Cluster. While NDB and InnoDB share common ...They see ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-server-operations.html
The server_operations table contains entries for all ongoing NDB operations that the current SQL node (MySQL Server) is currently involved in. (Currently, the MySQL Server does not expose the NDB API transaction ID of an ongoing transaction.) The ...It effectively is a subset of the cluster_operations table, in which operations for other SQL and API nodes are not ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-server-transactions.html
The server_transactions table is subset of the cluster_transactions table, but includes only those transactions in which the current SQL node (MySQL Server) is a participant, while including the relevant connection IDs. (Currently, the MySQL Server ...Together with the block name, this number can be used to look up a given instance in the threadblocks ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-server-option.html
int mysql_set_server_option(MYSQL *mysql, enum enum_mysql_set_option option) Description Enables or disables an option for the connection. CR_SERVER_LOST The connection to the server was lost during the query. ER_UNKNOWN_COM_ERROR The server did ...
https://dev.mysql.com/doc/refman/8.4/en/locale-support.html
The default value is 'en_US' regardless of your system's locale setting, but you can set the value at server startup, or set the GLOBAL value at runtime if you have privileges sufficient to set global system variables; see Section 7.1.9.1, “System ... The locale indicated by the lc_time_names system variable controls the language used to display day and month names and ...The lc_time_names value does not affect the result from FORMAT(), but this function takes an optional third parameter that enables ...
https://dev.mysql.com/doc/refman/8.4/en/cursor-restrictions.html
Initially, this is a MEMORY table, but is converted to a MyISAM table when its size exceeds the minimum value of the max_heap_table_size and tmp_table_size system variables. Server-side cursors are implemented in the C API using the ...For example, ...
https://dev.mysql.com/doc/refman/8.4/en/using-log-files.html
If you have started mysqld with the myisam_recover_options system variable set, MySQL automatically checks and tries to repair MyISAM tables if they are marked as 'not closed properly' or 'crashed'. If this happens, you should check all your tables ... Note that before starting mysqld with the general query log enabled, you should check all your tables with ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/meb-ldap.html
LDAP pluggable authentication is a feature supported by the MySQL Enterprise Edition; the user by which mysqlbackup connects to the server can be authenticated using LDAP.
https://dev.mysql.com/doc/mysql-installer/en/server-authentication-method.html
However, if you are unable to update your clients and applications to support this new authentication method, you can configure the MySQL server to use mysql_native_password for legacy authentication. It is recommended that all new MySQL server ...