Category Archives: Performance

  1. Disabling Indexes

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    January 28, 2019 by Kenneth Fisher

    Indexes are probably the number one tool we have to improve performance. That said, there are times when we want …
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  2. SQL Homework – January 2019 – Baselines

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    January 2, 2019 by Kenneth Fisher

    Happy New Year! Every year for New Years we all make a big deal of coming up with New Years …
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  3. I/O vs Logical I/O

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    September 5, 2018 by Kenneth Fisher

    tl;dr; While the difference is very important 90% of the time you won’t care and should just add the two …
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  4. SQL Homework – January 2018 – Inspect an Execution Plan

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    January 3, 2018 by Kenneth Fisher

    It’s a new year and yet education never ends. So this month let’s take a look at an important part …
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  5. Why shouldn’t I shrink my database data file?

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    November 20, 2017 by Kenneth Fisher

    A while back I did a post about why you shouldn’t shrink your data file. This one is going to …
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  6. Why shouldn’t I shrink my database log file?

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    May 15, 2017 by Kenneth Fisher

    TL;DR: It’s pretty pointless and can cause performance issues. Let’s start by asking why you might want to shrink your …
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  7. When should I add an index?

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    April 19, 2017 by Kenneth Fisher

    We all know indexes are good and I’m hoping everyone knows you can have too many indexes. That means we …
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  8. Increasing and decreasing the performance level of your Azure SQL Database

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    March 29, 2017 by Kenneth Fisher

    One of the big benefits of Azure, and in fact any of the cloud offerings I’ve seen, is the ability …
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  9. Queries with optional parameters

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    February 27, 2017 by Kenneth Fisher

    These are those queries where you are pulling for, let’s say, a first name, a last name, a state, and/or …
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  10. Lead Blocker

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    January 18, 2017 by Kenneth Fisher

    Blocking is just part of life I’m afraid. Because we have locks (and yes we have to have them, and …
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