Perfect! I'm on SQL Server 2005 so that works great.

Thanks very much

Thanks ever so much! That definitely helped.

The only thing left was for me to group on col1, col2, and endtime to eliminate the "in-between" comparisons since I needed only...

Hi Samuel,

Thanks very much for the explanation. For files with a relatively small number of columns, explicitly naming them in the select is not a problem. Really I...