• Jeff Moden

    SSC Guru

    Points: 993639

    Great article on the Basics of iTVFs, Steve.

    For those wondering about the performance of iTVFs that Steve mentioned, here's an article that discusses and demonstrates the performance advantage with code.  It also provides an example of how to make a function that returns a scalar value using an iTVF.
    How to Make Scalar UDFs Run Faster (SQL Spackle)

    --Jeff Moden

    RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
    First step towards the paradigm shift of writing Set Based code:
    ________Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
    "If you think its expensive to hire a professional to do the job, wait until you hire an amateur."--Red Adair
    "Change is inevitable... change for the better is not."
    When you put the right degree of spin on it, the number 3|8 is also a glyph that describes the nature of a DBAs job. 😉

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