DBA Team Structure – Thoughts From Real Life
I once talked about the DBA team building about 3 years ago, now when I look back, I still believe...
2011-11-20
3,350 reads
Jeffrey Yao
Find the largest tables in a database (II)
I once wrote a post to find the largest tables in a database, and now after studying PowerShell, I feel...
2011-09-18
2,052 reads
Job Exit Planning Strategy
I feel somehow sad today (Aug 31, 2011) to see one of my colleagues “laid-off”. I put quotation mark around...
2011-09-01
1,907 reads
Thoughts on DBA Professional Development
As a DBA, we have a lot to work on and also we have a lot to learn about. The...
2011-08-20
1,412 reads
Counting code lines in SPs with Powershell
One of interesting tasks I once had is to check the # of code lines for all user stored procedures (SPs)...
2011-08-14
1,407 reads
Database Administration Operation Road Map
In my company, every two years, we have a tradition to collectively ponder at the technology road map for the...
2011-08-13
2,351 reads
Delete backup files older than days
For almost all sql backup jobs, we want to have a step to delete old backup files older than a...
2011-08-06
4,564 reads
Find the largest tables in a database
From time to time, I need to find the largest tables in terms of rows / used space / total space etc....
2010-09-28
33,402 reads
Restart SQL Server Default Trace
One of my test servers, due to the unexpected growth of a user db, the local drive is used up,...
2010-08-13
12,022 reads
Proposals to win a MSDN Subscription
Recently quite a few MVPs (here, here and here ) are handling out MSDN Ultimate subscriptions in the community. What interests...
2010-07-08
1,179 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