T-SQL Tuesday #126 – Folding@Home and 3D Printing
This month’s T-SQL Tuesday is hosted by my friend Glenn Berry. Glenn invites us to write about what we have been doing as a response to COVID-19. Glenn shared...
2020-05-12
8 reads
T-SQL Tuesday #126 – Folding@Home and 3D Printing
This month’s T-SQL Tuesday is hosted by my friend Glenn Berry. Glenn invites us to write about what we have been doing as a response to COVID-19. Glenn shared...
2020-05-29 (first published: 2020-05-12)
317 reads
T-SQL Tuesday #126–Folding@Home
It’s T-SQL Tuesday time, and this one is interesting. This also relates to the desktop upgrade I wrote about last week. Glenn Berry is the host, and he asks...
2020-05-12
62 reads
Daily Coping 12 May 2020
I’ve started to add a daily coping tip to the SQLServerCentral newsletter, which is helping me deal with the issues in the world. I’m adding my responses for each...
2020-05-12
25 reads
SQL Server 2019 Overview
There are many quality resources regarding SQL Server 2019, from eBooks to videos about the newest features and how one would implement these within your business. I recommend the...
2020-05-12
38 reads
The Bite-Sized Redgate Summit comes back this week
This week we have another edition of the Redgate Summit taking place on May 13, 14, and 15. We have different times each day to cover the world. The...
2020-05-11
21 reads
T-SQL Tuesday Live – 12 May 2020
Once again, I’ll be live tomorrow, ready to just chat, shoot the breeze, answer tech questions, anything. No agenda, but I’m on for an hour. If you’re bored, struggling,...
2020-05-11
23 reads
Learn TSQL for free online – starting today
Thanks to the support of Redgate, I’ve launched a new course which teaches you the basics of TSQL. The course is totally free, no logins required — we don’t...
2020-05-11
141 reads
Find Indexes Used In Query Store
One of the most frequent questions you’ll hear online is how to determine if a particular index is in use. There is no perfect answer to this question. You...
2020-05-25 (first published: 2020-05-11)
444 reads
Explain CROSS APPLY like I’m 5.
A good friend of mine (Randolph West (blog|twitter) asked that someone Explain CROSS APPLY like they are 5. So, here’s ... Continue reading
2020-05-25 (first published: 2020-05-11)
1,831 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications
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