SQL Server Management Data Warehouse (MDW) – Why it Rocks
Ensuring excellent performance for users and customers is a high priority for Database Administrators.
Today I want to share a free and easy...
2013-04-16
2,494 reads
John Sansom
SQL Server Management Data Warehouse (MDW) – Why it Rocks
Ensuring excellent performance for users and customers is a high priority for Database Administrators.
Here I share a free and easy way for you to get valuable insight into the...
2013-04-16
179 reads
Implicit Conversions and Avoiding Them With Computed Columns
I recently encountered an interesting performance issue (due to implicit conversions) that I was able to solve using a lesser known...
2013-04-02 (first published: 2013-03-25)
3,979 reads
Implicit Conversions and Avoiding Them With Computed Columns
I recently encountered an interesting performance issue (due to implicit conversions) that I was able to solve using a lesser known technique and I wanted to share it with...
2013-03-25
38 reads
How To Be An Expert At What You Do
Every successful company has them. They’re the lifeblood of their organisations. Linchpins essential to getting things done and doing them...
2013-03-20
1,050 reads
Career Growth and How You Can Achieve Explosive Results
Continued investment in your professional development for career growth is hard. It’s also essential to being a successful Data Professional.
You’ve...
2013-03-05
1,530 reads
Something for the Weekend – SQL Server Links 01/03/13
It’s SFTW Time, I hope you’ve had a great week!
Make sure you don’t miss this weekly round-up of SQL Server...
2013-03-01
1,079 reads
Restart the SQL Server Agent Service using PowerShell
Just a quick one today chaps, to show how you can restart the SQL Server Agent Service using PowerShell.
Whilst covering...
2013-02-26
5,099 reads
Multitasking A Ridiculous Workload – How I Do It
I don’t! There’s no such thing as multitasking. At least, not how most of us think about it……
Being successful as...
2013-02-19
968 reads
Overconfidence – How it Almost Cost Me and What You Can Do to Avoid It
It was early one morning and I was working on a production deployment to add a new Subscriber to an...
2013-02-15 (first published: 2013-02-05)
3,777 reads
Blogs
The flight recorder: Replaying what an AI agent did on my SQL Server
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
The Hidden Security Risks of Role Combination in SSAS Tabular
Comments posted to this topic are about the item The Hidden Security Risks of...
The Empty Aggregate
Comments posted to this topic are about the item The Empty Aggregate
Question of the Day
The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers