• Marcia J


    Points: 5649

    rmechaber (7/28/2015)

    Here's a nice, straightforward -- but perhaps fuller -- explanation of what's going on here if you're still puzzled:[/url]

    EDIT: URL corrected for the web-friendly version of the page instead of print preview.


    Thanks. That was very helpful.

  • Koen Verbeeck

    SSC Guru

    Points: 258965

    Great question, thanks.

    Need an answer? No, you need a question
    My blog at
    MCSE Business Intelligence - Microsoft Data Platform MVP

  • webrunner


    Points: 30254

    Thanks for the very helpful question. I got it wrong but learned a huge lesson today. NULL is some tricky ish.

    - webrunner

    A SQL query walks into a bar and sees two tables. He walks up to them and asks, "Can I join you?"

  • jackson.fabros

    Say Hey Kid

    Points: 673

    really good to know how NULLs can ruin your Friday

    Thanks for the question!

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