Powerful Tool to Fix MySQL Error Code 145 and Restore Inaccessible Data : MySQL Database Repair Blogs

Published by Jacob Martin on July 28, 2014

MySQL is very popular open source database management system that is used by many small and large organizations. It is compatible with many latest languages such as C, C++, JAVA, PHP and PERL. This database is widely used at a backend of various applications. This database uses a standard form of SQL and has a powerful internal structure.

Although sometimes MySQL show error message when user try to access it or open it, MySQL error makes it completely inaccessible for user and in short database get corrupted. If you have an online application connected with the MySQL then that application also get damaged badly. To overcome form such situation there are mainly two working options are available for the user to repair MySQL database. First is using an updated backup file and second is applying a professional database repair tool.

After corruption database may display various type of errors on the screen, one from them are given bellow:

“MySQL error code 145: Table was marked as crashed and should be repaired”

Cause of this error: By reading the above error message it is clear that MySQL has got damaged and thus unreachable. There are many types of reasons behind such corruption, such as abrupt system shut down, virus/malware infection, corruption of file system, software/hardware malfunction and more.

Resolution of MySQL 145 Table Error: To remove this error you may also apply the bellow given manual solution but be careful while executing the given steps because a small mistake can corrupt your entire database permanently.

• Execute the command – myisamchk -r. This command will drop the invalid rows in the table and rebuilds the index file of MySQL.

Note: This utility is to verify and repair the corrupted MySQL database tables.

• Again execute ‘Check Table’ command to verify the MyISAM table for errors.

CHECK TABLE tbl_name [, tbl_name]… [option]…

option = {FOR UPGRADE | QUICK | FAST | MEDIUM | EXTENDED | CHANGED}

• Execute the command, ‘Repair Table’ to repair the corrupted MySQL table.

REPAIR [NO_WRITE_TO_BINLOG | LOCAL] TABLE tbl_name [, tbl_name]… [QUICK] [EXTENDED] [USE_FRM]

If the above manual solution is remove errors and make your database accessible then ok, but if you are unable to access your database after applying this command or unable to perform the given manual method then don’t worry because a recovery tool is available to recover your precious data.

You may also try an updated backup file of your database. Restore MySQL by using backup file of your database. But make sure that the backup file is updated and error free because an outdated and error full backup file may affect your database badly.

If you don’t have an updated backup file and unable to execute any manual recovery option then try a professional MySQL database recovery tool, this tool will allow you to recover database even without having backup file. It provides very simple user interface for its user so that one can easily understand it without having any professional knowledge. It is recommended by many professionals because of its accuracy and performance.