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https://dev.mysql.com/doc/refman/5.7/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/5.7/en/too-many-connections.html
By granting the privilege to administrators and not to normal users (who should not need it), an administrator who also has the PROCESS privilege can connect to the server and use SHOW PROCESSLIST to diagnose problems even if the maximum number of ... If clients encounter Too many connections errors when attempting to connect to the mysqld server, all available connections are in use by other ...
https://dev.mysql.com/doc/refman/5.7/en/windows-testing.html
In this case, start mysqld with the skip_name_resolve system variable enabled and use only localhost and IP addresses in the Host column of the MySQL grant tables. If you have set a password for the root account, deleted the anonymous account, or ...
https://dev.mysql.com/doc/refman/5.7/en/windows-upgrading.html
For example, before upgrading from MySQL 5.6 to 5.7, use mysqladmin from MySQL 5.6 as follows: C:\> "C:\Program Files\MySQL\MySQL Server 5.6\bin\mysqladmin" -u root shutdown Note If the MySQL root user account has a password, invoke mysqladmin with ... There are two approaches for upgrading MySQL on Windows: Using MySQL Installer Using the Windows ZIP archive distribution The approach you select depends on how the existing installation was ...
https://dev.mysql.com/doc/refman/5.7/en/account-management-statements.html
Important Some MySQL releases introduce changes to the grant tables to add new privileges or features. To make sure that you can take advantage of any new capabilities, update your grant tables to the current structure whenever you upgrade MySQL.
https://dev.mysql.com/doc/refman/5.7/en/drop-database.html
Important When a database is dropped, privileges granted specifically for the database are not automatically dropped. DROP {DATABASE | SCHEMA} [IF EXISTS] db_name DROP DATABASE drops all tables in the database and deletes the database. Be very ...
https://dev.mysql.com/doc/refman/5.7/en/drop-table.html
Important When a table is dropped, privileges granted specifically for the table are not automatically dropped. Be careful with this statement! For each table, it removes the table definition and all table data. If the table is partitioned, the ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-replication.html
How do I prevent GRANT and REVOKE statements from replicating to replica machines? A.14.13. How do I prevent GRANT and REVOKE statements from replicating to replica machines? Start the server with the --replicate-wild-ignore-table=mysql.% option to ... In the following section, we provide answers to questions that are most frequently asked about MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/install-plugin.html
If the server is started with the --skip-grant-tables option, plugins registered in the mysql.plugin table are not loaded and are unavailable. If you need to load plugins for a single server startup when the --skip-grant-tables option is given ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-cluster-locks.html
This is reset to 0 when a lock is granted for a waiting request. The lock state is shown in the lock_state column; if this is W, the lock is waiting to be granted, and the waiting_for column shows the lock ID of the lock object this request is ...