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There was a similar thread on this earlier, but my question is specific to upgrading from SQL2005 to 2008: when upgrading in-place is not possible because the machine has to be re-imaged, which method is preferrable – detaching and re-attaching the db files, or backup/restore?
Detach/attach is obviously faster and accoding to msdn possible, but I wonder if anyone could share real life experiences?
Thanks
Max
Backup/restore would be the recommended method.
Reason being, if something goes wrong you always have the unaltered original (and a copy of the backup if you had the foresight) that you can go back to. You don’t have that option if you use detach/attach.