Stop using Task Manager to check SQL’s memory usage!
There’s two fairly common questions I see on the forums around SQL Server’s memory usage. Either the question asks why...
2016-01-19
2,029 reads
Shrinking Database Data Files
Normal DBAs will sum up shrinking a database data file in one word: NO! I’ll talk to you about this subject because I’m not normal. Still, my goal is that...
2016-01-19
52 reads
Shrinking Database Data Files
Normal DBAs will sum up shrinking a database data file in one word: NO!
I’ll talk to you about this subject because...
2016-01-19
1,702 reads
How to Solve the Tail Insert Problem
In the previous post, we talked about when you should use identity/sequence as a clustered index key and when it’s...
2016-01-19
1,360 reads
Advent of Code – Day 1 – Parsing a variable
I have been following the series of posts written by my friend and SQL MCM Wayne Sheffield on some TSQL...
2016-01-19
285 reads
Name Your Defaults So SQL Server Doesn't
Something in SQL Server that isn’t always obvious to beginners is that when you create a default value for a column on a table, SQL Server creates a constraint...
2016-01-19
20 reads
SQL Saturday Melbourne (#464) – 20 Feb 2016
For those not aware SQL Saturday is coming to Melbourne on Sat 20 Feb 2016. SQL Saturday is an excellent free learning resource for all things SQL Server – all costs are...
2016-01-18
12 reads
SQL Saturday Melbourne (#464) – 20 Feb 2016
For those not aware SQL Saturday is coming to Melbourne on Sat 20 Feb 2016.
SQL Saturday is an excellent free learning...
2016-01-18
699 reads
Disabling SQL Server Network Protocols
Another post for me that is simple and hopefully serves as an example for people trying to get blogging as...
2016-01-18
1,099 reads
Q&A: Multiple SQL Server Instances on a VM
I recently received a great question through email. It was whether or not it is a good idea to have...
2016-01-18
1,135 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