In SQL Server, the database can be stored in different files and filegroups. If your database is small (100 MB or less), you do not need to worry too much about files and filegroups. But if you have a ...

How to Restore a SQL Database From a .MDF File. Computer database software such as Microsoft's SQL Server benefits all types of businesses, as it makes recordkeeping fast, flexible and secure.

This happens on SQL Server 2012 and 2008, on Win 2012 and 2008 servers. DPM is 2012 (not R2). The databases are from different software packages, some Microsoft, some not.