Tag Archives: T-SQL

  1. The curious case of CHAR(0)


    November 14, 2019 by Kenneth Fisher

    Over the years I’ve seen quite a few strange things with SQL Server. This one may not have been the …
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  2. SQL Homework – October 2019 – Code review (self and peer)

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    October 2, 2019 by Kenneth Fisher

    Every database person I’ve ever met writes at least some code at some point in their career. That code might …
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  3. When were the statistics last updated and how many rows were sampled?

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    September 4, 2019 by Kenneth Fisher

    TL;DR; Final query is at the bottom. Every now and again (particularly when someone is having performance problems) I’ll get …
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  4. Setting Trigger Order

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    August 26, 2019 by Kenneth Fisher

    If you can help it you probably shouldn’t be using triggers. But if you have to use a trigger you …
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  5. Why do DBAs dislike loops?


    August 22, 2019 by Kenneth Fisher

    If you started out as a developer you were probably taught how important loops are. They are one of the …
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  6. Temporary stored procedures

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    August 7, 2019 by Kenneth Fisher

    tl;dr; Temporary stored procedures are excellent for testing pieces of code that are going to go into (or come from) …
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  7. Optional vs Required parameters in Stored Procedures


    July 29, 2019 by Kenneth Fisher

    If you are executing a stored procedure with a bunch of parameters it can be a bit of a pain …
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  8. Short circuiting an AND


    July 15, 2019 by Kenneth Fisher

    The other day I did a post on how an OR short circuits. It was a somewhat unusual type of …
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  9. What permissions do temp stored procedures use?


    June 19, 2019 by Kenneth Fisher

    In a performance tuning class I recently took with Brent Ozar (b/t) he mentioned temporary stored procedures and an interesting …
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  10. It’s interesting how an OR short circuits.


    June 17, 2019 by Kenneth Fisher

    I recently did a post on the case expression short circuting and received a very very interesting comment from Chad …
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