How to change MDF file default properties

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SQL-Server-2014

Unexpectedly I changed mdf file open file as a visual studio. So many time I tried to change previous open file type as a sql server query type but I can’t did this. Please anyone can help me this problem.

Tried step 1: via control panel – default program
Tried step 2: via mdf file property – change program

Those steps are not changed to previous file type

Posted 19-Feb-15 7:44am

Member 10894549

Updated 19-Feb-15 7:50am

Wendelius

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Solution 2

Thanks but when I tried to attach mdf file to sql server it will not performed

Posted 19-Feb-15 8:13am

Member 10894549

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Afzaal Ahmad Zeeshan 19-Feb-15 14:41pm

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Wendelius · Accepted Answer · 2015-02-19T07:53:00

Normally a file with MDF extension is used by SQL server for the first (primary) database file.

This file contains data from the database in a binary format and it is not intended to be opened by anything else than the SQL Server engine.

Never store any SQL queries or anything else in MDF files. I advice you to leave that extension alone and let only the SQL Server to use it.