Its use in some of the Web sites with most traffic such as Yahoo!, Alcatel Lucent, Flickr, etc is the best testimony one could get.
Still, at times these MySQL databases get corrupt due to different issues such as virus infections, several users accessing and modifying the database at the same time, etc.
You should use MySQL repair mechanisms to overcome such issues. In the event, it is not possible then you should use a third-party MySQL recovery software to resolve such issues.
When the MySQL table that you are using is corrupt, it may display abnormal symptoms and you would encounter different kinds of error messages. Some of them are:
tbl_name.frm is locked against changeCan't find file tbl_name.MYI (Errcode: nnn)Unexpected end of fileRecord file is crashedGot error nnn from table handler
Cause:
These error messages indicate that the MyISAM table has damaged and, therefore, unable to function properly. The database corruption could have happened due to the reasons mentioned earlier in this article.
Resolution:
To overcome such database corruption problems, you can perform the following methods one after the another:
Both of the
MySQL in-built methods would be able to check and repair the integrity issues in the MyISAM table.
However, if the issues are persisting then you would need to repair MySQL database using a third-party MySQL repair software. The best features of these read-only tools is risk-free database recovery using a rich user interface.
The most recommended MySQL recovery software that recovers data from MyISAM and InnoDB database engines is Stellar Phoenix Database Recovery for MySQL.
With the ability to recover different kinds of MySQL files such as .myd, .frm, .ibdata, etc, this MySQL repair utility recovers tables, primary keys, views, etc. In addition, it is compatible with Windows 7, Vista, Server 2003, XP, and 2000.
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