re: Howwould you do this - Solutionhttp://msmvps.com/blogs/williamryan/archive/2005/03/26/39813.aspxBill: I agree, I made some tests a while ago: http://blogs.x2line.com/al/archive/2004/03/01/189.aspx The results were actually the same, but I'm not so sure now, maybe I need to retest it. I remeber I had an issue with isnull function once when it didnenCommunityServer 2008.5 SP2 (Build: 40407.4157)