A simple use case for Columnstore Indexes in SQL Server
In this article we look at different use cases for columnstore indexes like when performing SQL Server count * queries.
2020-01-17
Performance tuning
Optimize Your SQL by Reformulating the Spec
As SQL developers, we tend to think of performance tuning in terms of crafting the best table indices, avoiding scalar and table valued functions, and analyzing query plans (among other things). But sometimes going back to the spec and applying some properties of elementary math can be the best way to begin to improve performance of SQL queries which implement mathematical formulas. This article is a case study of how I used this technique to optimize my SQL implementation of the Inverse Simpson Index.
2019-09-12
2,769 reads
The Basics - Level 1 of the Stairway to Query Store
Introduction Instead of going straight into the topic of the Query Store, I would like to start this Stairway Series by mentioning a few performance tuning scenarios that are very common to production DBAs. I think most of us have been in one of these situations at some time: An application experiencing slowness after a […]
2019-05-13
3,363 reads
Blogs
T-SQL Tuesday #125 – Unit testing databases – we need to do this!!
By HamishWatson
Welcome to the first April edition of T-SQL Tuesday. I’m honoured to be hosting...
T-SQL Tuesday Live–7 Apr 2020
By Steve Jones
Last week went a little crazy, and I learned something: don’t post a Zoom...
Getting Your dbatools Version–#SQLNewBlogger
By Steve Jones
Another post for me that is simple and hopefully serves as an example for...
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