Category Archives: Microsoft SQL Server
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SQL Homework – January 2020 – Document, document, document
4January 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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Viewing Azure SQL DB security with sp_AzSQLDBPermissions
2December 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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What happens if I disable the clustered index?
1December 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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A gift. T-SQL Tuesday #121
1December 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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Error message: http://System.Data.SqlClient.SqlException (0x80131904): Conversion failed when converting the varchar value ‘NULL’ to data type int.
7December 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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SQL Homework – December 2019 – The default trace and the system health session.
Leave a commentDecember 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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Bad Idea Cowboy Hat: BEGIN TRANSACTION; GO 1000;
Leave a commentNovember 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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DBA Myths: Is an identity column always unique, in order, and without gaps?
6November 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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DBA Myths: The system sessions are the ones with a session_id 50 or less
Leave a commentNovember 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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The curious case of CHAR(0)
10November 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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