How to fix Error Codes 126, 127, 144, and 145 in MySQL Database

Published by Jacob Martin on July 2, 2015

MySQL is a dominant and extensively used Relational Database Management System (RDBMS), which gives multi-user access to different databases. It works on several operating system platforms including Microsoft Windows. MySQL database comes with great features such as such as stored procedure, triggers, query caching, views and cursor. However, in some cases, even the consistent database gets corrupted or damaged.

Sometimes when you try access the records stored in MySQL database table, you might get an error message. Most of the error message occurred due to corruption in MySQL database. There are several number of reason behind the corruption, some of the few common cause of MySQL database corruption are MySQL bug, virus attack, server crash, improper exit of application, damaged table handler, etc. When it gets corrupted that data stored in database becomes inaccessible and you cannot access them anymore. In order to get accessibility, the best way to retrieve data from an updated backup. However, if you do not have updated or any valid backup or if you are not able to restore the correct records then you can go for advanced MySQL Repair tool.

For example – When you try to mount your MySQL database you may get any of the below error messages:

“Got error 126 from table handler”

Or

“Got error 127 from table handler”

Or

“Got error 144 from table handler”

Or

“Got error 145 from table handler”

After you get any of the above error messages the data stored in your databases gets inaccessible. Moreover, each when you try to attempt to mount database you get the same error messages each time.

Reason

The main reason behind the occurrence of the above mentioned error messages are because MySQL database is corrupt and damaged.

Solutions

To fix the above error messages and to get the accessibility to the stored records in the database, you can follow the below mentioned steps. You will need to run the below command and have to check the extent of database corruption.

“Check Table tablename”

After checking the extent of database corruption, now you can sue the below command to repair it:

“Repair Table tablename”

Your database will get repaired and databases get inaccessible in most of cases. But what if your database still remains corrupted and you are still getting the same error messages. Then, in such cases it is recommended that you must use professional and powerful MySQL Database Repair Tool. With the help of this tool you can easily fix the above mentioned error messages and restore the data and you can then access your MySQl databases without any issue.

Steps on how to repair corrupt MySql Database

Step 1: Download, install and launch the MySQl Database repair tool.

Step 2: Click ‘Select’ button  to find and add corrupt MySQL database to the application and then select OK. Here you have the option of ‘Repair corrupt database which is stored at default location of MySQL’ and ‘Manual option to selct your database from default location’.

Step 3: After the scanning process you can now see the preview of the file in the left panel of the software.

Step 4: Now you can start the reairing process, just click on Repair button. A dialoguie box will appear. Click Yes.

Step 5: After successful completion of the process, a message box is displayed as ‘repair process finished successfully’. Click ‘OK’ to close the message box.

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