This behavior may occur due to corruption of MySQL table. After corruption, MySQL can not read the table and thus it displays various error messages.
At this point, the table becomes completely inaccessible and you come across severe data loss situations. In order to extract data from inaccessible MySQL table, you need to have an absolute backup. However, if backup is not available or updated, it becomes essential to Repair MySQL Database using appropriate tools.
Consider the below scenario:
You click on a database table to open and access it. You try to open a MySQL database table after upgrading to a later version of MySQL application.
In both the above scenarios, you encounter the following error message and the table can not be accessed:
"Error No. 1033 Incorrect information in file: <file name>"
After this, you can not access the contents of the table and encounter data loss. In order to access your precious data saved in the table, you need to Repair MySQL table by resolving this issue.
Grounds of the issue:
This behavior generally occurs with InnoDB tables, which are damaged. Table corruption may occur due to numerous reasons, such as application malfunction, virus infection, and sometimes after upgrading MySQL application.
Resolution
In order to prevent such situations, you should upgrade the application from one release series to another. You should always upgrade to next release series, instead of skipping any series.
To repair and restore database tables, inbuilt database utilities, such as CHECK TABLE are available. This utility checks the structure of damaged table, detects corruption, and repairs the table. If it can not help, restore the database from the most recent backup.
However, if the backup is not available, use third-party MySQL Recovery applications to repair and restore the damaged table. These tools deploy advanced scanning algorithms to carry out in-depth scan of the corrupted table and extract damaged and inaccessible data from it.
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MySQL Repair software are incorporated with simple and rich graphical user interface for easy recovery. They preserve integrity of your valuable data owing to their read-only and non-destructive behavior.
MySQL software repairs and restores corrupt tables of both InnoDB and MyISAM storage engines. The software works well with MySQL 5.x and 4.x. It restores all MySQL table objects, such as views, constraints, forms, triggers, stored procedures, and more.
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