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https://dev.mysql.com/doc/refman/8.0/en/replication-setup-replicas.html
Follow this procedure to set up replication with existing data: If you used MySQL Server's clone plugin to create a clone from an existing replica (see Section 7.6.7.7, “Cloning for Replication”), the data is already transferred. After you have ...Before you proceed, ensure that you have: Configured the source with the necessary configuration ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-switch.html
To make Source a source again, use the preceding procedure as if Replica 1 were unavailable and Source were to be the new source. During this procedure, do not forget to run RESET MASTER on Source before making Replica 1, Replica 2, and Replica 3 ...
https://dev.mysql.com/doc/refman/8.0/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-before-you-begin.html
The only supported alternative is to restore a backup taken before upgrading. Upgrade procedures vary by platform and how the initial installation was performed. Use the procedure that applies to your current MySQL installation: For binary and ...
https://dev.mysql.com/doc/refman/8.0/en/validate-password-transitioning.html
The procedure installs the component before uninstalling the plugin, to avoid having a time window during which no password validation occurs. Uninstall the validate_password plugin: UNINSTALL PLUGIN validate_password; If the validate_password ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-what-is-new.html
(Single-threaded backups are restored as in previous versions of NDB.) It is also possible to restore backups taken in parallel using an ndb_restore binary from a previous version of NDB Cluster by modifying the usual restore procedure; Section ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-parameters.html
As of MySQL 8.0.28, the innodb_open_files limit can be set at runtime using a SELECT innodb_set_open_files_limit(N) statement, where N is the desired innodb_open_files limit; for example: mysql> SELECT innodb_set_open_files_limit(1000); The ...This ... InnoDB Startup Options InnoDB System Variables System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- ...
https://dev.mysql.com/doc/refman/8.0/en/replication-sbr-rbr.html
Note Statements that update the information in the mysql system schema, such as GRANT, REVOKE and the manipulation of triggers, stored routines (including stored procedures), and views, are all replicated to replicas using statement-based ...For ...
https://dev.mysql.com/doc/refman/8.0/en/flush.html
However, you may use FLUSH in stored procedures, so long as these are not called from stored functions or triggers. Note It is not possible to issue FLUSH statements within stored functions or triggers. For information about prepared statement ...| ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-triggers.html
Where are triggers stored? Triggers are stored in the mysql.triggers system table, which is part of the data dictionary. Where can I find the documentation for MySQL 8.0 triggers? A.5.2. Is there a way to view all triggers in a given database? A.5.7. Can a table have multiple triggers with the same trigger event and action time? ...