• Where is the simularity between the queries?

    Both return a single value (or an empty set).

    Give it up. Neither of us is going to change the others minds on this.

    Not really. We WILL change it and we already HAVE! I am sure that the ones reading the thread see how it is possible to confuse an obvious.

    ps: I answered the original question correctly FYI, but I just wasnot happy with the way the question was asked and the tools used to generate a testbed. QA engineers and Professional Software Testers will know what I am talking about.

    M.Sc.IT, M.B.A, MCTS BI 2008, MCITP BI 2008, MCTS SQL Dev, CSM, CDVDM