NULLIF
Do you use NULLIF? For me, this command has been seldom used. Because of that, I have been dabbling with...
2011-03-30
3,898 reads
SQL RNNR
NULLIF
Do you use NULLIF? For me, this command has been seldom used. Because of that, I have been dabbling with it a bit lately to make sure I have...
2011-03-30
17 reads
Do You Solution?
Do you ever find yourself working on different scripts at once? Maybe you are working on something that tests certain...
2011-03-29
927 reads
Do You Solution?
Do you ever find yourself working on different scripts at once? Maybe you are working on something that tests certain functionality in SQL Server, you have some presentation scripts...
2011-03-29
12 reads
ShowPlan XML
I just ran into something that I hadn’t noticed in SQL Server. It struck me as somewhat interesting but is...
2011-03-28
1,953 reads
ShowPlan XML
I just ran into something that I hadn’t noticed in SQL Server. It struck me as somewhat interesting but is really not too big of a deal. While demonstrating...
2011-03-28
27 reads
Tools note
I was asked a few months ago to allow some advertising on my blog. I hadn’t given the idea a...
2011-03-24
848 reads
Tools note
I was asked a few months ago to allow some advertising on my blog. I hadn’t given the idea a whole lot of thought but was reminded again today...
2011-03-24
13 reads
SQL Server Startup
From time to time I see a question asking how to determine the last time a SQL Server was either...
2011-03-23
1,534 reads
SQL Server Startup
From time to time I see a question asking how to determine the last time a SQL Server was either restarted or when the last time was that the...
2011-03-23
17 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