Performance Surprises and Assumptions : GROUP BY vs. DISTINCT
Aaron Bertrand acknowledges that DISTINCT and GROUP BY are usually interchangeable, but shows there are cases where one performs better than the other.
Questions About the Use of PowerShell That you were Too Shy to Ask
Let's forget the actual PowerShell code for a moment: Why is PowerShell important? Why should I use it? Where did it come from? Why did it take so long to arrive? These and many other basic questions are answered in William Brewer's latest addition to the series that answers those seemingly simple questions that you were too shy to ask in public.
How to Recover a SQL Server Login Password
I will describe a simple method anyone can use to obtain lost password information for a SQL Server login.
Why Object Databases will always be Tomorrow's Technology
For many years now we always seem to have been on the verge of the revolution in object databases, without it ever quite transpiring. Why is this?
Getting Started with Azure SQL Data Warehouse - Part 1
As the demand for data analytics grows so does the need for a technology or platform to process large amounts of different types of data in timely manner. Azure SQL Data Warehouse is a new enterprise-class, elastic petabyte-scale, data warehouse service that can scale according to organizational demands in just a few minutes. Read on to learn more about this data warehouse-as-a-service offering from Microsoft.
Approaching Politics in IT
The news cycle seems to be dominated by discussion of politics. Regardless of where you fall on the political spectrum, the talk of politics is inescapable and is probably going to lead to you being displeased with your fellow man. Luckily, we work in IT, so we can avoid politics. BWA-HA-HA-HA-HA! Politics goes way beyond […]
New CREATE OR ALTER statement in SQL Server 2016 SP1
Ahmad Yaseen explains what SQL Server 2016 SP1's new CREATE OR ALTER statement does, and how to use it.
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