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Tag: Clustered Index

FillFactor, the Untold Story

Posted on Monday November 15th, 2021

There are some misconceptions around FillFactor, let’s explore what the setting does or doesn’t do  I love SQL Server internals, I do and I just said it. Why? because thanks to all…

Spring cleanup, LOB considerations

Posted on Wednesday March 29th, 2017

For DBA’s it is important to have the ability to recover databases quickly in case of disaster. In order to maximize the potential we need to have our databases ready but sometimes…

Database Design Matters, Real World Scenario

Posted on Thursday November 3rd, 2016

Sooner or later the more you know how SQL Server works will help you come up with more and more ideas to solve your daily problems, let me show you what one…

Successful Anti-Patterns, Storage Requirements

Posted on Wednesday October 19th, 2016

One of the things you realize with experience is that there is not one absolute truth when speaking about SQL Server… that comes along with the magical answer for most of the…

Database Design Matters, choosing the Clustering Key

Posted on Wednesday September 21st, 2016

There has been a permanent debate about which is the right clustering key for our tables since the beginning of the time, this time I’ll get a bit deeper to show you…

Index fun, disabling the Clustered Index

Posted on Wednesday May 18th, 2016

Disabling an index is always fun, but disabling the clustered index is even funnier, but probably not for your users, let me show you what can happen. Following a conversation with my junior…

Successful Anti-Patterns, Key Lookup VS RID Lookup

Posted on Tuesday May 10th, 2016

This post wants to show some performance improvements we may have by doing things the way we’ve been told not to When it comes to technical subjects like databases, we must always look…

Clustered index row order

Posted on Monday February 29th, 2016

How rows are physically stored is well known and sometimes very misunderstood, let me show you something might not be as you expect One of the basic (and well used during interviews) questions…

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