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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-keyring-keys-table.html
MySQL Server supports a keyring that enables internal server components and plugins to securely store sensitive information for later retrieval. Key metadata includes key IDs, key owners, and backend key IDs. As of MySQL 8.0.16, the keyring_keys ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-configuration-table.html
Parameters stored in the table can be changed at runtime with the CHANGE REPLICATION SOURCE TO statement (from MySQL 8.0.23) or CHANGE MASTER TO statement (before MySQL 8.0.23). There is always a default replication channel, and more replication ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-configuration-version-table.html
Whenever a member action is enabled or disabled using the group_replication_enable_member_action() and group_replication_disable_member_action() functions, the version number is incremented. You can reset the member actions configuration using the ... This table displays the version of the member actions configuration for replication group ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-member-actions-table.html
Member actions can be enabled using the group_replication_enable_member_action() function and disabled using the group_replication_disable_member_action() function. ERROR_HANDLING The action that Group Replication takes if an error occurs when the ... This table lists the member actions that are included in the member actions configuration for replication group ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-user-defined-functions-table.html
For information about operations that add or remove table rows, see Section 7.7.1, “Installing and Uninstalling Loadable Functions”. The value is NULL if the function was registered by a CREATE FUNCTION statement and is in the process of ... The ...
https://dev.mysql.com/doc/refman/8.0/en/perl-support-problems.html
For example, if the linker cannot find libc because it is in /lib and the link command specifies -L/usr/lib, change the -L option to -L/lib or add -L/lib to the existing link command. -lgcc to the link command when the mysql.so library gets built ...
https://dev.mysql.com/doc/refman/8.0/en/primary-key-optimization.html
With the InnoDB storage engine, the table data is physically organized to do ultra-fast lookups and sorts based on the primary key column or columns. If your table is big and important, but does not have an obvious column or set of columns to use as ... The primary key for a table represents the column or set of columns that you use in your most vital ...
https://dev.mysql.com/doc/refman/8.0/en/problems-with-alias.html
An alias can be used in a query select list to give a column a different name. This restriction is imposed because when the WHERE clause is evaluated, the column value may not yet have been determined. In the select list of a query, a quoted column ...
https://dev.mysql.com/doc/refman/8.0/en/problems-with-mysql-sock.html
To do this, set the sticky bit on the /tmp directory by logging in as root and using the following command: $> chmod +t /tmp You can check whether the sticky bit is set by executing ls -ld /tmp. Specify a --socket option on the command line to ...
https://dev.mysql.com/doc/refman/8.0/en/reloading-delimited-text-dumps.html
For backups produced with mysqldump --tab, each table is represented in the output directory by an .sql file containing the CREATE TABLE statement for the table, and a .txt file containing the table data. To reload a table, first change location ...