Identifying and Resolving MySQL Database Corruption

MySQL is open source database that has a large number of users all over the world. It is widely sued by number of people because it safe, secure and reliable to use. Apart from the most used database it is the excellent option for the program to build on LAMP platform. It can easily run of different operating system such as Linux, Macintosh, Windows, and Solaris etc. Due to extensive use it sometime gets corrupt and makes your data inaccessible. For MYSQL user’s corruption is equal to disaster. It is the most heartbreaking moment and the user appliers all its knowledge just to resolve the issue. Thus in many cases the corruption is hard to resolve and the inescapable result to data loss. At this situation only a recent backup can help you to get out this disastrous situation. The disastrous situation even gets worse when the user doesn’t have any proper backup or the backup is corrupted. To avoid such situation it is always recommended to have a proper backup so that you don’t have to feel disappointed.

Here you have few common error messages that will help the user to identify the corruption in MySQL database:

• 126: Index file is crashed or Wrong file format 

• 127: Record file is crashed 

• 132: Old database file 

• 134: Record was already deleted (or record file crashed) 

• 135: No more room in record file 

• 136: No more room in index file 

• 141: Duplicate unique key or constraint on write or update 

• 144: Table is crashed and last repair failed 

• 145: Tables was marked as crashed and should be repaired

Before getting into its repair process it is very important to know the causes behind corruption so that in future if you face the same issue in your database, you will know how to handle the situation in better way.

Causes:

• Killed MySQL Database process in between
• Damaged operating system.
• Bugs in MySQL.
• Hardware failure
• Corrupt or damage structure of metadata.
• Damaged ibdata file.
• Improper system, shut down
• Virus attack can also make your database inaccessible
• Inappropriate or abrupt MySQL Server shutdown.
• Corrupt or damaged .myd, .myi files or .frm.
• Connectivity problem while establishing the connection with database provider

The above are the common causes that play their important role behind file corruption. To resolve this error message in database follow the below given steps:

Also read: Repair Table corruption in MySQL Database

• To check the level of corruption you need to run CHECK TABLE
• Now, to repair the corrupted, damaged or inaccessible table run REPAIR TABLE command.
• But in case if the above repair process fails to resolve the error then the last option left with you is to use a third party repair tool. For such situation it is advised to use a third party tool that can easily repair MySQL Database Corruption.

MySQL Repair Tool is professional repair tool that can easily repair and recover the inaccessible data. It is can recover the table and data structure. It is quite easy to use and doesn’t need any technical person to operate it. It support almost every version of MYSQL 1.x, 2.x, 3.x, 4.x and 5.x and all the modern platforms such as Windows 95/98/2000/XP/2003 server. It is capable of repairing the password protected SQL file. So just download this amazing repair tool and forget about the issue related to MYSQL Database.