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  • Geek City: Ordered Seeks and Scans

    I got a couple of really great questions during my SSWUG Workshop this morning, as I was discussing seeks and scans, and since the answers to the two questions are very related, I decided to address both of them in more detail in this blog post. Most people think about a seek operation as retrieving just one or a few rows, and a scan as ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on January 21, 2011
  • Geek City: Plan Caching Internals

    This Friday is the last of my summer seminars. On August 27, I am presenting on plan caching, plan reuse and recompile and plan cache metadata. This is one of my favorite topics to talk about, because a lot of the information is not very widely known, and you can have a tremendous performance impact by making sure when plans are reused when that ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on August 23, 2010
  • Did You Know: Good Stuff!

    I know, I promised a technical post after my online seminar today, and I'm still planning on that. There weren't all that many really deep questions, just a lot of basic understanding questions, plus questions about topics I'll be covering in my Plan Caching and Recompilation Seminar in August. There was one really interesting question about a ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on June 30, 2010
  • Did You Know: My next web seminar is this Wednesday!

    I know, I haven't made a geeky post in a while... but I promise that I'll do one after this seminar. I'll take some of the best questions that I get during the chat and write them up here. Query Plans Workshop (June 30, 2010) Learn about basic elements, tools for exploring your query plans, how to detect inefficient plans and best practice ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on June 27, 2010
  • Did You Know? I'm doing 3 more online seminars with SSWUG!

    As I told you in April, I recorded two more seminars with Stephen Wynkoop, on aspects of Query Processing. The first one will be broadcast on June 30 and the second on August 27. In between, we'll broadcast my Index Internals seminar, on July 23.  Workshops can be replayed for up to a week after the broadcast, and you can even buy a DVD of ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on June 11, 2010
  • Did You Know? More online seminars!

    I am in Tucson again, having just recorded two more online workshops to be broadcast by SSWUG. We haven't set the dates yet, but we are thinking about offering a special package deal for the two of them. The topics really are related and I think they would work well together. They are both on aspects of Query Processing. The first was on how to ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on April 22, 2010
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