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https://dev.mysql.com/doc/refman/8.4/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. For the rationale why this type of ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-setup-actors-table.html
This enables instrumenting and historical event logging to be applied selectively per host, user, or account (user and host combination). For each new foreground thread, the Performance Schema matches the user and host for the thread against the ...
https://dev.mysql.com/doc/refman/8.4/en/test-pluggable-authentication.html
For example: $> mysql --user=testuser --password Enter password: testpassword The plugin fetches the password as received from the client and compares it with the value stored in the authentication_string column of the account row in the mysql.user ... MySQL includes a test plugin that checks account credentials and logs success or failure to the server error ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-user-defined-error.html
The following list enumerates all NDB errors of type UD (User defined error).
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-user-variable-tables.html
The Performance Schema provides a user_variables_by_thread table that exposes user-defined variables. These are variables defined within a specific session and include a @ character preceding the name; see Section 11.4, “User-Defined Variables”. The user_variables_by_thread table has these columns: THREAD_ID The thread identifier of the session in which the variable is ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-restore.html
This program reads the files created as a result of the backup and inserts the stored information into the database. ndb_restore must be executed once for each of the backup files that were created by the START BACKUP command used to create the ...
https://dev.mysql.com/doc/workbench/en/wb-configuring-files.html
These files are saved in a directory assigned to the current user as defined by MySQL Workbench. Table 3.1 Default Local Configuration Base File Path Operating System File Path Windows %AppData%\MySQL\Workbench\ macOS ~username/Library/Application ... MySQL Workbench saves configuration, cache, and log-related files and directories on your ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/mem-access-control-best-practice-ref.html
All users can see, but have varying access to, all monitored assets. Strict: an organization with several DBAs and developers, and many monitored assets, grouped according to the applications and users which use them. Some users within the ... This ...
https://dev.mysql.com/doc/internals/en/com-change-user.html
COM_CHANGE_USER changes the user of the current connection and reset the connection state. and others It is followed by the same states as the initial handshake.
https://dev.mysql.com/doc/refman/8.4/en/sys-user-summary-by-file-io.html
The user_summary_by_file_io and x$user_summary_by_file_io views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background threads and are ...By ...