Tables are the most common form of storing data in MySQL database. Corruption of tables primarily occurs due to unexpected shutdown of mysqld (MySQL Server), operating system corruption, DLL (Dynamic Link Library) file damage, file system corruption, malicious software like virus and more. Once a table is corrupted, the data stored in the table becomes unreadable. You can restore the affected data from an updated backup. Though, a recent backup is not available in all the cases. In certain scenarios, they are available but not updated or you face application errors while data restoration. In such cases, you need to use advanced MySQL Database Repair tools for complete repair and restoration of corrupted data. Consider a practical instance, where you were modifying a particular MyISAM table (Accounts) stored on the Webtrends log server. While modifying the table, the server shuts down unexpectedly due to power outage. When the server gets restarted, you encounter the below error message: "Can't locate the wtlicensemanager.dll file" After the above error message appears, the data stored in the Accounts table becomes inaccessible. In addition, you encounter the same error message when you try to open Accounts table. Cause: The root cause for the occurrence of the above error message is the corruption of MySQL database table due to improper server shutdown. Resolution: To resolve the above error and access the Accounts table, you need to repair the table by using below steps: 1. Enter the MySQL database as Administrator. Enter the password if prompted. To do so, type the below command: mysql –u Administrator –p 2. Now, repair the corrupted table by using the following command: use wtmaster repair table Accounts: 3. Exit from the database by typing 'exit' and press Enter. However, if the server still encounters the same error message and the table remains inaccessible, you need to repair the table by using advanced MySQL Database Repair utilities. Such MySQL Repair applications incorporate powerful scanning algorithms to repair and restore MySQL database components. With highly interactive user interface, these repair tools are easily understandable without any sound technical knowledge. Database Recovery For MySQL is the most powerful MySQL Repair utility. It can completely restore and Repair MySQL objects such as tables, primary keys and relations. It supports MySQL 5.x. and both MySQL database storage engines – MyISAM and InnoDB. It is compatible with Windows Vista, XP, 2003 and 2000. It also supports Windows based recovery from MySQL database installed on Linux platform.
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