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https://dev.mysql.com/doc/refman/8.0/en/rewriter-query-rewrite-plugin-usage.html
When you load the rules table by calling the flush_rewrite_rules() stored procedure, if an error occurs for some rule, the CALL statement produces an error, and the plugin sets the Rewriter_reload_error status variable to ON: mysql> CALL ... To ...
https://dev.mysql.com/doc/refman/8.0/en/upgrade-binary-package.html
During this process, the server upgrades metadata for all database objects, including databases, tablespaces, system and user tables, views, and stored programs (stored procedures and functions, triggers, and Event Scheduler events). Export your ...
https://dev.mysql.com/doc/refman/8.0/en/upgrading-what-is-upgraded.html
Installing a new version of MySQL may require upgrading these parts of the existing installation: The mysql system schema, which contains tables that store information required by the MySQL server as it runs (see Section 7.3, “The mysql System ...
https://dev.mysql.com/doc/refman/8.0/en/user-variables.html
Similarly, the type of a user variable employed in a statement within a stored procedure is determined the first time the stored procedure is invoked, and retains this type with each subsequent invocation. You can store a value in a user-defined ...
https://dev.mysql.com/doc/refman/8.0/en/general-thread-states.html
This is should be very fast procedure, unless something prevents opening. The following list describes thread State values that are associated with general query processing and not more specialized activities such as replication. Many of these are ...
https://dev.mysql.com/doc/refman/8.0/en/kerberos-pluggable-authentication.html
(In later discussion, this principal name is associated with the MySQL account that authenticates to the MySQL server using Kerberos.) With those assumptions satisfied, follow this procedure: Verify that the Kerberos library is installed and ...
https://dev.mysql.com/doc/refman/8.0/en/known-issues.html
A query is optimized differently on the source and replica only if: The table is stored using a different storage engine on the source than on the replica. The easiest way to avoid this problem is to add an ORDER BY clause to the aforementioned ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/refman/8.0/en/sys-schema.html
Stored procedures that perform operations such as Performance Schema configuration and generating diagnostic reports. Stored functions that query Performance Schema configuration and provide formatting services. The MySQL upgrade procedure produces ... MySQL 8.0 includes the sys schema, a set of objects that helps DBAs and developers interpret data collected by the Performance ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-installation.html
To ensure that your tables are up to date for upgrades from earlier versions of MySQL 8.0, perform the MySQL upgrade procedure, making sure to use the option that forces an update (see Chapter 3, Upgrading MySQL). This section describes how to ...