Rectifying incorrect Key File For Table Error In Mysql

At times, MySQL database server may damage a database table

. This happens due to high load on server, various Update and Insert statements, coupled with several Select statements, or hardware issues. Database table corruption is something that should not occur, but unfortunately it does occur and leaves your data in unusable state. This causes critical data loss and needs MySQL Repair software to recover lost data.

You may face MySQL database table corruption, due to any of the below reasons:

Interruption of 'mysqld' writing process.

Improper or unexpected shutdown of your computer (for instance, your computer crashed or got accidentally turned off).

The hardware is faulty and has damaged the database tables.

You are using myisamchk or other such external programs on MySQL table.

There is a bug in MySQL application or MyISAM storage engine of MySQL.

You can identify MySQL table corruption with various symptoms, like:

You come across a number of error messages, such as:

Incorrect key file for table: . Try to repair it

MySQL queries return incomplete information or can not find the rows in table.

The query execution process halts midway and you can not access data from MySQL database table.

MySQL application does not start.

The database becomes completely inaccessible due to this, and you can not extract data from the database. To access your precious data, you need to Repair MySQL Database.

Solution

You can repair corrupted MySQL database table using REPAIR TABLE command-line utility from MySQL prompt. It not only rebuilds the indexes, but also repairs broken MySQL database tables. In case of disaster, it can also help you to get your valuable data backup from MyISAM tables.

However, if this method can not help you repair and restore the damaged MySQL database tables, you need to use third-party tools, known as MySQL Repair software.

These applications are particularly designed to methodically scan entire MySQL table using powerful scanning algorithms and extract all damaged or inaccessible data from it.

Stellar Phoenix Database Recovery for MySQL software successfully repair and restores damaged MySQL database tables built in InnoDB and MyISAM storage engines. It works well with MySQL 5.x and 4.x. You can easily Repair MySQL table using this application on your own as it has self-descriptive user interface. It preserves the integrity of your precious data owing to its read-only conduct. This software is compatible with Microsoft Windows Vista, 2003, XP, and 2000.

by: Naveen Kadian

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