Shulou(Shulou.com)06/01 Report--

When the database abnormal down drops or the system restarts abnormally, you need to start the database before starting the business, check the err log, check whether the database is damaged, and start the business after repair.

The check and repair here are only for MyISAM, and the related operations are as follows:

Check the tables in the database for corruption:

Mysqlcheck-uroot-p-h227.0.0.1-P3306-c library name

Mysql database repair:

Method 1:

0. Access to the database

1. Backup table data

2. Repair table table name; # is only valid for MyISam engine-View table engine (show create table table name;)

When there is no MYI file or when the missing header is damaged, use:

Repair table table name USE_FRM

Method 2:

1. Backup table data

two。 Use mysqlcheck-r database name table name-uroot-ppwd; to repair multiple tables at once using mysqlcheck. Just list the corresponding table name after the database name (separated by a space). Or if the database name is not added with the table name, all tables in the database will be repaired.

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