Tuesday, April 5, 2011

MySQL Repair to Fix Storage Engine Corruption

MySQL is a popular and effective Relational Database Management System (RDBMS), mainly used for websites. It uses storage engines to effectively store your business-critical data. They play an important role in efficient storage and wonderful accessibility of data. The major storage engines of MySQL database are InnoDB and MyISAM. If storage engine faces any issues like corruption, database become inaccessible and data loss occurs. In such critical situations, you need to opt for MySQL repair solutions.

Storage engine, like InnoDB is a standard component of the database. It uses a number of libraries to manage your precious data. However, there are some situations where you find that your database become inaccessible due to storage engine corruption. In a practical example of this problem, you may run across the below error message when this issue occurs-

“Uncategorized SQLException for SQL []; SQL state [HY000]; error code [1030]; Got error 134 from storage engine; nested exception is java.sql.SQLException: Got error 134 from storage engine”

Your MySQL database become unusable and inaccessible when you encounter this error. When you face this problem, you need to identify the actual cause of this issue and repair MySQL database using appropriate tools.

Grounds of the problem-

As stated above in the error message, this behavior usually occurs due corruption to the InnoDB storage engine. InnoDB is a significant part of MySQL database and must be in working state to access your data. The corruption may occur due to a wide range of reasons, such as-

  • Infection of malicious programs like viruses.
  • Improper system shutdown or application malfunction.
  • MySQL application crash.
  • Improper editing of the database.

Resolution-

You can try any of the below methods to repair MySQL data in such situations-

  • Try inbuilt queries to fix the corruption.
  • Restore database from a complete backup.
  • Use third-party MySQL repair software to extract inaccessible data from the database.

MySQL recovery tools are capable of performing in-depth scan of whole database and recovering all inaccessible data from it. They come equipped with highly interactive and rich graphical user interface to offer easy recovery. The database recovery software do not alter original content as of their read-only conduct.

2 comments:

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  2. sql mdf recovery has all necessary facilities for solving out almost every trouble related to corrupted or lost mdf files. It is able to show the results of recovering sql data. Software uses simply and modern methods of repairing. It launces under low system requirements.

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