How Many Indexes Is Too Many?
Let’s start with the Stack Overflow database (any size will work), drop all the indexes on the Users table, and run a delete:
2024-11-11
Database Administration
A Tidy Database is a Fast Database: Why Index Management Matters
Learn about the ways in which you might better manage indexes for a better performing and efficient database.
2024-11-11
3,908 reads
2024-11-08
369 reads
2024-11-01
349 reads
Uncover SQL Server Missing Indexes
In this article, we look at a SQL Server Dynamic Management View (DMV) that helps find queries that trigger missing index recommendations.
2024-10-18
How to Delete Large Amounts of Data in Microsoft SQL Server
A short look at some of the options for deleting lots of data from a SQL Server table.
2024-10-07
7,233 reads
Cleaning Up Your Database
How many of us clean up our databases and is it worth it? Steve has a few thoughts.
2024-10-02
395 reads
SQL Index Rebuild vs Reorganize Comparison
This tip covers the differences and similarities between SQL Server index rebuild and index reorganize operations.
2024-09-30
2024-09-27
410 reads
Raising the Cost Threshold for Parallelism (CTFP) Affects SQL Server Missing Indexes
This article explores how raising the Cost Threshold for Parallelism (CTFP) affects missing index recommendations in SQL Server along with examples.
2024-09-25
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers