Containers: A Short Rant
I find myself doing more and more work with containers. Yet, I also find that a lot of people seem to be resistant to the concept. I’m always surprised...
2021-09-20
15 reads
The Scary DBA
Rewriting The Query Tuning Book
While I have not yet signed the contract, I have submitted an outline and proposal for a new version of my book on query performance tuning. Most of the...
2021-09-13
48 reads
Rewriting The Query Tuning Book
While I have not yet signed the contract, I have submitted an outline and proposal for a new version of my book on query performance tuning. Most of the...
2021-09-13
10 reads
Filtering Extended Events Using Actions
Did you know, you can use Actions to Filter Extended Events? Well, you can. Filtering is one of the greatest ways in which Extended Events differentiates itself from other...
2021-07-26 (first published: 2021-07-19)
255 reads
Filtering Extended Events Using Actions
Did you know, you can use Actions to Filter Extended Events? Well, you can. Filtering is one of the greatest ways in which Extended Events differentiates itself from other...
2021-07-19
12 reads
Permissions Needed To Force Plans in Query Store
I was recently asked what permissions were needed to force plans in query store. I’m sure I knew at one point, but at the moment I was asked, I...
2021-07-06
160 reads
Permissions Needed To Force Plans in Query Store
I was recently asked what permissions were needed to force plans in query store. I’m sure I knew at one point, but at the moment I was asked, I...
2021-07-06
15 reads
Virtual Presentations: A Presenters Perspective
While we are clearly beginning to see in-person events on the calendar, the vast majority of presentations, events, talks, etc., are virtual. There are a lot of positives to...
2021-07-16 (first published: 2021-06-29)
142 reads
Virtual Presentations: A Presenters Perspective
While we are clearly beginning to see in-person events on the calendar, the vast majority of presentations, events, talks, etc., are virtual. There are a lot of positives to...
2021-06-29
9 reads
Find Queries Using a Key Lookup Operator
While teaching about Extended Events and Execution Plans last week, Jason, one of the people in the class, asked: Is there a way in Extended Events to find queries...
2021-06-23 (first published: 2021-06-14)
471 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