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Which db-files to copy from server to server?

I would like to play with the backup from our original server.
Which files to copy?

my_db.mdf
my_db.idf

These as well?
mssqlsystemresource.mdf
mssqlsystemresource.idf

Are there more which I need to copy?
(Installations: both SQL Express adv)
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joop123456
Asked:
joop123456
1 Solution
 
dduserCommented:
Take a backup from the server and then restore it to the new server. That would be the best way to do this.

Regards,

dduser
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Raynard7Commented:
Hi,

It is not advisable to use a file based backup for reasons please see http:Q_20912467.html "Simple File Based Backup"

below should give you some pointers on how to properly backup your data

http:Q_21710245.html "Proper SQL backup procedures"
http:Q_21698500.html "Backup and Recovery"
http:Q_21348116.html "Move databases files"

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Guy Hengel [angelIII / a3]Billing EngineerCommented:
I see .idf, but the transaction log files are usually .ldf.
to be sure which files to "copy" for a database, issue this query:

select * from my_db.dbo.sysfiles;

now, as noted above, to simply COPY the files will give you problems unless you first detached the database or shutdown the sql server before copying.
backup + restore is much simpler, and will ensure you get all the data.
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Goodangel MatopeSoftware ArchitectCommented:
I am a praranoid man, and as a result, I strongly recommend that you backup the database as follows:

Run this on the live server in query analyzer

BACKUP DATABASE <dbname> to disk = 'c:\dbbackup.bak'

copy c:\dbbackup.bak to your development server and run this statement in query analyzer on that server

RESTORE DATABASE <dbname> FROM DISK = 'c:\dbbackup.bak'

Wala!! very easy and safe!! :-)
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