Repair Corrupt MySQL Database

MySQL (My Sequel) is a relational database management system which runs as a server that can provide multiple users access to more than one databases. MySQL is generally used in web based projects and thus stores your valuable data. Therefore, any issue with MySQL database causes condition of complete inaccessibility of your valuable data stored in the various tables of this database. At this situation of precious data loss, one is left with nothing but to opt for reliable third-party MySQL database recovery.

Let us understand this situation with a practical example. Suppose, you are trying to update a table in MySQL and encountered the below mentioned error message on the screen of your computer:

“#1034 - Incorrect key file for table; try to repair it”

To rectify this issue, we must first understand the exact cause behind this issue.

Causes:

This error generally occurs when we try to update, save, or access a MySQL table. The probable causes of encountering this error message are:

• Virus infection or presence of malicious software can damage MySQL tables.

• Abrupt system shut down while some read/write operations are being performed on MySQL table at times causes corruption in MySQL tables.

• Issues related to file system may also cause inaccessibility of MySQL tables.

• Sometimes MySQL application errors lead to damage in the stored tables.

Resolutions:

You can try below mentioned steps to repair MySQL:

• Use the command line utility ‘myisamchk’ with ‘r’ option as:

  • ‘myisamchk –r tablename’

• Use command line utility ‘mysqlcheck’ as follows:

  • ‘mysqlcheck –r databasename tablename’

The above mentioned command line utilities solve the problem to an extent, however, if you still encounter the issue and unable to access your precious data saved on MySQl table then you should opt for third-party MySQL database repair software. These MySQL repair tools use non-destructive database repair mechanism and thus restore all your data intact after repairing the corrupt MySQL database.

One of the most reliable software in this category is Stellar Phoenix MySQL Database Recovery. The software repairs MySQL tables created in MySQL 3.x, 4.x, 5.x, and 6.x versions and recover all database objects like primary keys, tables, relations, etc. The tool is compatible with Windows 7, Vista, Server2003, XP, and 2000 and also repairs damaged MySQL tables created in Linux operating systems. The software also saves the recovery details in a log file.