Category Archives: T-SQL
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Highlighting sp_spaceused
Leave a commentOctober 15, 2018 by Kenneth Fisher
I’ve been using sp_spaceused a lot recently so I thought I would bring it up again. Basically it’s a quick …
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Which is faster? IN (list) or IN (SELECT FROM Temp)
8October 11, 2018 by Kenneth Fisher
If you’ve done much with IN (list) then you’ve realized that it basically translates out to You’ve probably also realized …
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Generate a random number of children for each parent
4October 3, 2018 by Kenneth Fisher
I was asked an interesting question the other day. Is it possible to get a different random number of rows …
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Escaping strings
Leave a commentSeptember 24, 2018 by Kenneth Fisher
No, I’m not talking about that nightmare everyone has where a bunch of strings are chasing you across a loom. …
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You can’t DELETE TOP (x) with an ORDER BY
8September 19, 2018 by Kenneth Fisher
Did you know you can’t do this? Msg 156, Level 15, State 1, Line 8 Incorrect syntax near the keyword …
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Using Table Valued Parameters with sp_executesql
3September 13, 2018 by Kenneth Fisher
Recently I did a presentation on dynamic SQL. In the presentation I pointed out the similarity of using sp_executesql to …
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SQL Puzzle: Advent of Code
Leave a commentAugust 29, 2018 by Kenneth Fisher
A few years back someone started the Advent of code. If you aren’t familiar with it, it’s an advent calendar …
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Nada to Speaker: Demystifying and Diminishing Dynamic SQL Difficulties
3August 20, 2018 by Kenneth Fisher
Last Thursday I spoke at NTSSUG (North Texas SQL Server User Group). This is my local group (only 1.5 hours …
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What are my permissions?
1August 16, 2018 by Kenneth Fisher
Permissions are a common concern. One of the most frequent requests I get is I need X, Y and Z …
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Counting NULLs
4July 16, 2018 by Kenneth Fisher
Recently I was doing one of Kendra Little’s (b/t) SQL Server quizzes. Specifically the Quiz: COUNT() in SQL Server. As …
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