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  • Fake statistics, and how to get rid of them

    There are two ways to test how your queries behave on huge amounts of data. The simple option is to actually use them on huge amounts of data – but where do you get that if you have no access to the production database, and how do you store it if you happen not to have a multi-terabyte storage array sitting in your basement? So here’s the second ...
  • Geek City: Accessing Distribution Statistics

    Distribution statistics are one of the most important sources of information that the Query Optimizer uses to determine a good query plan. In this post, I’m not going to tell you everything about distribution statistics. I’m just going to show you a few tricks for getting access to the statistics. If you want a deeper understanding of what the ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on January 18, 2013
  • For want of a nail

    For want of a nail the shoe was lost. For want of a shoe the horse was lost. For want of a horse the rider was lost. For want of a rider the battle was lost. For want of a battle the kingdom was lost. And all for the want of a horseshoe nail.   I'm now in the middle of severity A case that is best depicted by this ...
    Posted to Michael Zilberstein (Weblog) by mz1313 on December 7, 2009
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