How to repair MySQL Databases in batches

Sometimes the database is damaged because of power loss or other reasons. We can use the mysqlcheck command that comes with mysql.
To quickly repair all databases or specific databases. Method: Enter the Bin directory of Mysql: C: \ Program Files \ MySQL Server 4.1 \ bin
Run: mysqlcheck-A-o-r-uroot-p123
Note: Change 123 to your own root user password.

Mysql. columns_priv OK
Mysql. db OK
Mysql. func OK
Mysql. help_category OK
Mysql. help_keyword OK
Mysql. help_relation OK
Mysql. help_topic OK
Mysql. host OK
Mysql. tables_priv OK
Mysql. time_zone OK
Mysql. time_zone_leap_second OK
Mysql. time_zone_name OK
Mysql. time_zone_transition OK
Mysql. time_zone_transition_type OK
Mysql. user OK

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So OK ~~