Mysql Database Table Repair Post Power Outage

One of the most common reason for improper shutdown of MySQL Server is power outage

. A power failure primarily results in breaking the continuity of the ongoing process resulting in the corruption of MySQL database. In most cases, when you attempt to access the MySQL database after power outage, you encounter an error message that does not allow the database to mount eventually resulting in inaccessibility of records. A standard way to overcome the problems created due to error message is by restoring the data from a valid and updated backup. However, there are possibilities that your backup might get corrupted or damaged. In such situations, only a powerful third-party MySQL Database Repair software can help.

Consider a practical scenario, where you encountered power outage while you were updating some records in Employee table. However, when you restart your system and run a query to view the updations made in Employee table, you encounter the below error message:

Checking MyISAM file: ric200503

Data records: 0 Deleted blocks: 0

.

MyISAM-table 'Employee' is corrupted

Fix it using switch "-r" or "-o"

Data stored in Employee table becomes inaccessible after the above error message appears. Furthermore, the above error message pops up every time you attempt to access Employee table.

Cause:

The root cause for the occurrence of the above error message is table corruption due to power outage.

Resolution:

For complete troubleshooting of the above error message and to access the Employee table records, you will need to repair the table using the underneath command:

Repair Table Employee

In most cases, the above command resolves the corruption in Employee table and provides access to the data stored in it. However, if the above command falls short to repair, then you will need to search for powerful third-party MySQL Repair application. These MySQL Recovery utilities employ high-end scanning and repairing algorithms to repair corrupted tables and restore them on default or new destination. With to-the-point user documentation, non destructive nature, and user-friendly interface, these tools ensure fast, easy and complete database repair.

by: Naveen Kadian

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