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 mdf files and sql files

Author  Topic 

Laith Scofield
Starting Member

10 Posts

Posted - 2010-12-05 : 14:06:57
what the difference between mdf files and sql files ?? both are opened in sql server management studio, and how can i add sql files up to my project in vb.net ???

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nigelrivett
Master Smack Fu Yak Hacker

3385 Posts

Posted - 2010-12-05 : 14:08:58
An mdf file is the file that holds the data for a database and is accessed via the server.
An sql file is a query saved from management studio. Not it's just a default and can be changed.



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Laith Scofield
Starting Member

10 Posts

Posted - 2010-12-05 : 14:11:32
So can produce mdf files in SQL server studio ??? and how ?

"It's fine to celebrate success but it is more important to heed the lessons of failure."
Bill Gates
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nigelrivett
Master Smack Fu Yak Hacker

3385 Posts

Posted - 2010-12-05 : 14:22:03
An mdf file is created when you create a database.
Right click on databases select new on the second tab will be the mdf file and ldf file that will be created to hold the data and log.

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SSIS can be used in a similar way.
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sebekz
Starting Member

5 Posts

Posted - 2010-12-06 : 03:25:10
Please also note, that in case you need to copy/move MDF/LDF files (both are required for the database to work), you need to detach the corresponding database from the server first.


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nigelrivett
Master Smack Fu Yak Hacker

3385 Posts

Posted - 2010-12-06 : 04:34:29
quote:
Originally posted by sebekz

Please also note, that in case you need to copy/move MDF/LDF files (both are required for the database to work), you need to detach the corresponding database from the server first.



Not quite true and not really relevant but if the database is detached and there is a single mdf and ldf then only the mdf should be required. The ldf will be rebuilt. It's one way of reducing the size of the ldf file.

==========================================
Cursors are useful if you don't know sql.
SSIS can be used in a similar way.
Beer is not cold and it isn't fizzy.
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