You can use row_number() to sort and number the results. This can be useful for creating a view that shows a custom sorting order. But first, here are some different ways you can work with this function.
So you downloaded the AdventureWorks2012 database, and want to know what to do with the 190MB MDF file. You cannot just go to New Database or Attach Database in the GUI. Instead you need to run a query to create the database using the MDF file.