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# SQL Server: Add existing mdf with new Database-name

Posted on 2013-06-10
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Hello!

we are using SQL Server  10.0.5500 on a SBS 2008 R2.
We made some backups of the *.mdf and *.ldf Files within the DATA-Folder of the SQL-Server. Now we need some of the data back and don't want to destroy the running system/database.
So we need to add the database to the server management studio and change the name so the import won't overwrite the existing (and running) database.

How do we do this?
Is there any possibility to create a new databasemodule? If so, we can add the database to the new one and create some sql-statements to change/add the running database.

Any help ist appreceated.
Thanks
Jens

P.S. We also could create a VM and import the data to the VM-system. After that we can create the sql-actions, but this seems to be a lot more work ...
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Question by:loosain
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LVL 8

Assisted Solution

didnthaveaname earned 167 total points
ID: 39235200
Sounds like you want to do a CREATE DATABASE with the FOR ATTACH clause

http://msdn.microsoft.com/en-us/library/ms176061%28v=sql.100%29.aspx

It is as straightforward as:

create database dbName_BACKUP
on
( filename = 'path to mdf' ),
( filename = 'path to first ndf' ),
...,
( filename = 'path to last ndf' ),
( filename = 'path to first ldf' ),
...,
( filename = 'path to last ldf' )
for attach;


Hope that helps!  As an aside, I would move the backups of the mdf/ndf/ldf's that you guys made into a subfolder to prevent confusion.  And once you create the new database (provided it's in the same instance), you can move data from one to the other, just be careful =)  I would, personally, recommend that the direction of data flow always be towards the copy and when you have it to where you want it, detach both dbs, and then create the production DB from the modified files.
0

LVL 21

Assisted Solution

Alpesh Patel earned 166 total points
ID: 39237384
Just attach database using the SSMS and give a new name to Database.

sp_attach_db 'DBName', 'DBfilePAth'
0

LVL 69

Accepted Solution

Scott Pletcher earned 167 total points
ID: 39238733
CREATE DATABASE OLD_DB_NAME__TEMP_RESTORE
ON
--must specify *all* data files for the db (hopefully only 1);
--the "NAME=" value can be anything you want that is a valid name,
--    except of course that two files on the same db can't have the same NAME = value
( NAME = data_file1, FILENAME = 'd:\full\path\to\file\DATA\<data_filename>.mdf' ),
--must specify *all* log files for the db (hopefully only 1)
--the "NAME=" value can be anything you want that is a valid name
--    except of course that two files on the same db can't have the same NAME = value
( NAME = log_file1, FILENAME = 'd:\full\path\to\file\DATA\<log_filename>.ldf' )
FOR ATTACH

Always use a command, such as above for this, and not the GUI, because:

1) the GUI can be flaky and unreliable for this
2) with the command, you can call the command back up later and see exactly what you specified
0

Author Closing Comment

ID: 39589350
thx
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