Sql does not recognize mdf file

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SQL have ceased to recognize the MDF file today.
Perhaps due to some system failure it damaged. How can I restore the MDF file that is not recognized as the primary file?

What I have tried:

No action was taken that not to break the file and not to screw things up.)

Posted 22-Aug-16 3:22am

ArturKis

Updated 25-Aug-16 1:30am

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3 solutions

Solution 1

Quote:
Perhaps due to some system failure it damaged. How can I restore the MDF file that is not recognized as the primary file?

Use last backup and restore the database.
If you don't have backups, you probably have lost everything.

Posted 22-Aug-16 4:01am

Patrice T

Solution 3

Oh, it's sad, because my backup is quite old. but thanks anyway for the answer!)

Posted 24-Aug-16 0:42am

ArturKis

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GeorgeFinlayson · Accepted Answer · 2016-08-25T01:30:00

If your MDF file was corrupt or in unrecognizable format then you have to use some third party tools to sql mdf repair it out for example like MDF Repair Kit or some others. You can search in Google. http://www.mdf.repair/

But you can try to restore the file by yourself if it is not badly damaged.
Data from corrupt mdf file can be recovered by following method:

Repair MDF file with DBCC CHECKDB:
Microsoft offers a command that is known as DBCC CHECKDB, when you run this then it try to detect & fix all the possible error message. If it fails to fix error message then it suggest repair clause.
Re-run the command with suggest repair clause. Your problem might be solved. But, you may loss some amount of data after this.