Category Archives: DBCC
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DBA Myths: CHECKDB runs on startup.
2September 16, 2019 by Kenneth Fisher
If you look at your error log you’ll (hopefully) see entries like this shortly after the instance startup: CHECKDB for …
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Shrinking a large database with limited outage windows
12April 22, 2019 by Kenneth Fisher
Yes, I realize you shouldn’t shrink your database (data files or log files), but I recently had a case where …
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Why shouldn’t I shrink my database data file?
3November 20, 2017 by Kenneth Fisher
A while back I did a post about why you shouldn’t shrink your data file. This one is going to …
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Uniquifier is a rather unique word isn’t it?
8September 18, 2017 by Kenneth Fisher
tl;dr; The uniquifier is used to make a non-unique key in a clustered index unique. Uniquifier is a rather funny …
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Why shouldn’t I shrink my database log file?
10May 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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I need help with DBCC
2June 6, 2016 by Kenneth Fisher
Many years ago during an interview I was asked to “Name the top 7 DBCC commands that you use.” I …
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Does SQL Server do a CHECKDB during an instance restart?
11May 7, 2014 by Kenneth Fisher
When you start up an instance do you rely on the CHECKDB entry in the error log of SQL Server …
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