Category Archives: Microsoft SQL Server

  1. SQL Homework – January 2020 – Document, document, document

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    January 1, 2020 by Kenneth Fisher

    Happy New Year! It being New Year’s, at least by the Gregorian calendar, I thought we could make this month’s …
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  2. Viewing Azure SQL DB security with sp_AzSQLDBPermissions

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    December 18, 2019 by Kenneth Fisher

    A few months back I put the Azure SQL DB version of my permissions script into beta. I’m not sure …
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  3. What happens if I disable the clustered index?

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    December 16, 2019 by Kenneth Fisher

    You are probably already aware that you can disable an index. This can be handy when you have a large …
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  4. A gift. T-SQL Tuesday #121

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    December 10, 2019 by Kenneth Fisher

    My good friend Malathi Mahadevan (blog|twitter) is hosting T-SQL Tuesday this month and wants us to talk about Gifts received …
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  5. Error message: http://System.Data.SqlClient.SqlException (0x80131904): Conversion failed when converting the varchar value ‘NULL’ to data type int.

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    December 5, 2019 by Kenneth Fisher

    I love this error. Primarily because it demonstrates two very important things. Errors matter. Make sure when you ask someone …
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  6. SQL Homework – December 2019 – The default trace and the system health session.

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    December 2, 2019 by Kenneth Fisher

    I know this is the holiday season for many of us (which ones depend on your religion and nationality of …
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  7. Bad Idea Cowboy Hat: BEGIN TRANSACTION; GO 1000;

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    November 27, 2019 by Kenneth Fisher

    One of my favorite presentations is Revenge the SQL by Rob Volk (blog|twitter). It’s a demonstration of a lot of …
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  8. DBA Myths: Is an identity column always unique, in order, and without gaps?

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    November 20, 2019 by Kenneth Fisher

    Identity columns are all over the place. Probably 80-90% of the tables I see have them and they are almost …
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  9. DBA Myths: The system sessions are the ones with a session_id 50 or less

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    November 18, 2019 by Kenneth Fisher

    Anecdotally any session_id that’s 50 or less is going to be a system session and anything over 50 will be …
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  10. The curious case of CHAR(0)

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    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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