It offers three types of database engines, MyISAM, InnoDB, and MySQL Archive. The MyISAM table is the default table type that is fast, simple to use, and allows full-text searching.
Though MyISAM table is reliable, it can become corrupt and, thus, inaccessible after a crash. In such cases, you should use Repair Table command to MySQL Repair table. However, if you are still not able to recover MySQL database then you should opt for a third-party software.
Consider a scenario wherein you have MySQL 5.0 installed on your system. You run the myisamchk command to check a table and an error message is displayed, that is:
"clients are using or haven't closed the table properly."
Cause:
The root cause for the aforementioned error message is that MyISAM index file has not been closed properly. It could be due to following reasons: A MyISAM table has been copied without using Lock Tables and Flush Tables command.MySQL crashed while an update was being written on the table. A table was modified by the myisamchk command while it was in use by mysqld.Multiple mysqld servers are using the table simultaneously. This may result in data integrity and, hence, data corruption.
Resolution:
To resolve this issue, you should use the following methods:
Repair corrupted table by using the Repair Table command, if mysqld is running.Repair the corrupted table by using the myisamchk command, if mysqld is not running.The aforementioned methods should be able to perform MySQL recovery. However, if you still are not able to recover MySQL database then you should consider using a third-party MySQL recovery software. Such read-only tools use fast yet sophisticated scanning algorithms for MySQL repair.
Stellar Phoenix MySQL Database Recovery software is a robust tool that lets you Repair MySQL Database by performing MySQL recovery. It supports MyISAM and InnoDB MySQL database storage engines. It supports MySQL recovery of MyISAM (.myd,.myi,.frm) and InnoDB (.ibdata,.ibd,.frm) files. It is a highly interactive tool that does not require installing MySQL to see the preview of the corrupted MySQL databases. It is compatible with MySQL 4.x and 5.x versions and can be used in Windows 7, Vista, Server 2003, XP, and 2000.
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