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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-preparation.html
Preparing the NDB Cluster for replication consists of the following steps: Check all MySQL servers for version compatibility (see Section 21.7.2, “General Requirements for NDB Cluster Replication”). To provide replication backup capability, you ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-metadata-locks-table.html
Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), tablespaces, user locks acquired with the GET_LOCK() function (see Section 12.14, “Locking Functions”), and ...
https://dev.mysql.com/doc/refman/5.7/en/account-locking.html
MySQL supports locking and unlocking user accounts using the ACCOUNT LOCK and ACCOUNT UNLOCK clauses for the CREATE USER and ALTER USER statements: When used with CREATE USER, these clauses specify the initial locking state for a new account. When ...In the absence of either clause, the account is created in an unlocked ...
https://dev.mysql.com/doc/refman/5.7/en/firewall-reference.html
Example: SELECT set_firewall_mode('fwuser@localhost', 'RECORDING'); Firewall Miscellaneous Functions These functions perform miscellaneous firewall operations: mysql_firewall_flush_status() This function resets several firewall status variables to ...The mysql.firewall_users table lists names and operational modes of registered firewall account ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbd-definition.html
A common error among users is to assume that all indexes are stored in the memory allocated by IndexMemory, but this is not the case: Only primary key and unique hash indexes use this memory; ordered indexes use the memory allocated by DataMemory.
https://dev.mysql.com/doc/refman/5.7/en/mysqlcheck.html
mysqlcheck uses the SQL statements CHECK TABLE, REPAIR TABLE, ANALYZE TABLE, and OPTIMIZE TABLE in a convenient way for the user. --defaults-extra-file=file_name Command-Line Format --defaults-extra-file=file_name Type File name Read this option ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump.html
In addition, the user making the connection must be a member of the Windows group specified by the named_pipe_full_access_group system variable. In addition, the user making the connection must be a member of the Windows group specified by the ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-host-cache-table.html
MySQL does not perform matching of Host column values in the mysql.user system table against host names for which one or more of the initial components of the name are entirely numeric, such as 1.2.example.com. COUNT_HOST_ACL_ERRORS The number of ...
https://dev.mysql.com/doc/refman/5.7/en/glossary.html
Experienced users can adjust the isolation level, trading off less protection in favor of increased performance and concurrency, when they can be sure that the transactions really do not interfere with each other. Users coming from an Oracle ...
https://dev.mysql.com/doc/refman/5.7/en/preface.html
If you are using a Commercial release of MySQL 5.7, see the MySQL 5.7 Commercial Release License Information User Manual for licensing information, including licensing information relating to third-party software that may be included in this ...