Tag Archives: Performance

  1. Why shouldn’t I shrink my database log file?

    1

    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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  2. When should I add an index?

    7

    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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  3. 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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  4. Queries with optional parameters

    10

    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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  5. New indexes, hypothetically

    1

    November 2, 2016 by Kenneth Fisher

    I saw something like this the other day. My first thought was “Hu, never seen that before.” My second thought …
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  6. Natural vs Artificial Primary Keys

    2

    August 29, 2016 by Kenneth Fisher

    There has been a long standing debate over the use of a natural primary key vs an artificial one. I …
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  7. RBAR vs Batch

    7

    August 17, 2016 by Kenneth Fisher

    Many years ago Jeff Moden (of SQL Server Central fame) came up with the concept of RBAR. Row-By-Agonizing-Row. At it’s …
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  8. Is the network your last performance bottleneck?

    6

    July 18, 2016 by Kenneth Fisher

    Let’s say your company relies on the cloud for its servers (or maybe not, on premise networks have more options …
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  9. Altering a column in a large table: A case study

    20

    July 14, 2016 by Kenneth Fisher

    Fair warning, this is a discussion piece. I had a task, I went through several possibilities and I’m going to …
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  10. Comparing the contents of two tables

    16

    May 12, 2016 by Kenneth Fisher

    I’ve been working on tuning a query for the last week and I’ve had to make several changes to the …
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