MySQL tables are the most important component of the database, the way you organized to store data in a. Sun can easily manipulate and effective query results. But sometimes, these tables give unexpected results and error messages. The reason could table corruption that are restored from a backup should. However, if backup data beyond recovery, you should use commercial MySQL database recovery applications.
You may receive thefollowing error message in mysqld error log:
"[ERROR] Got error 127 when reading table"
You receive a number of such errors.
Cause
The main cause of this error occur table corruption. A MySQL table could be corrupt because of these reasons:
o mysqld process is killed unexpectedly
o hardware problems
o MySQL code or MyISAM / InnoDB code is suffering from bugs
o An external program and the server, the same table at the same Time
o unexpected system shutdown
Solution
To correct table corruption, you should follow these steps in order:
o You should first check the table for corruption CHECK TABLE command. To run the command to make sure that the server is running. This test is used with the following syntax:
CHECK TABLE table-name [options]
Here are options used FAST, QUICK, MEDIUM, etc.
o If CHECK TABLE command error is corruption, do it with repairs> REPAIR TABLE command. sure before running the command that is about twice as much space as the affected table on the hard disk. The syntax is:
REPAIR TABLE table-name [options]
Here are options used QUICK EXTENDED etc.
o Again, check the table for corruption.
o If table is corrupt, you should use the corrupted table, if you have a valid backup database.
o In the case of database backup is not available or it seems to bedamaged or incomplete, use third-party MySQL recovery utilities. This software is designed specifically to error scan damaged MySQL databases and correct corruption. Designed to conduct thorough repair database, MySQL Database Recovery Tools provides file functionality to repair these advanced, data integrity is maintained throughout.
Stellar Phoenix Database Recovery for MySQL is the best utility to repair and restore damagedMySQL databases. It recovers files created by InnoDB (. Ibdata. Ibd and. Frm) and MyISAM (. MYD. Myi and. Frm) database storage engines. It supports MySQL 5.x The MySQL Recovery is compatible with Windows Vista, XP, 2003 and 2000. It can repair databases platforms created with Windows and Linux.
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