Detach and Offline for moving databases

02 February,2015 by Jack Vamvas

Detach or Offline : Which is better?    

Some   SQL Server DBA use offline , others Detach in moving databases. I use either , depending on the situation.

If replication is involved I use the Offline method. Others I use Detach\Attach.

Be mindful that both methods will attempt to close the database cleanly , and close the handles. And if using the Detach method – the file ACLs can be changed

Detaching removes the SQL Server registration of the database .  One of the consequences is locations will need to be stated when reattaching.

The offline method leaves the registration unaffected, resetting to Online – allows operations to continue.

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Author: Jack Vamvas (http://www.sqlserver-dba.com)


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