PowerShell Usage In DBA Work — Case Study 1 / 7
I have been blogged non-technical topics for too long and it is time for me to return to my favourite...
2013-03-06
980 reads
Jeffrey Yao
Where Should Database Administration Go?
For the past 5 or 6 years, we have seen lots of innovative products emerged, from smartphone to tablets, from...
2013-02-04
792 reads
DBA Work Accounting
One thing lots of DBA teams, esp. the DBA managers, feel uncomfortable is that it is difficult to quantify/log DBA’s...
2012-10-22
1,848 reads
Why I dislike Third Party Database Monitoring Tools
I have to admit I am not a fan of the various 3rd party monitoring tools (after using a few...
2012-09-17
1,911 reads
When Can You Be Considered As A Senior DBA
As a DBA, when can you consider yourself as a senior DBA?
If you read online posts, you will find most...
2012-08-27
3,476 reads
Improve DBA Operation Productivity – Part Two
As a DBA, we have to take various actions based on huge amount of information received. In one perspective, our...
2012-07-31
1,905 reads
Improve DBA Operation Productivity – Part One
I define DBA operation productivity as the total positive values brought to the work environment by a DBA in a...
2012-07-24
1,089 reads
Inspirational Database Administration Requirements
Just as a society’s civilization is mostly nurtured by its culture, I believe that DBA work quality is mostly determined...
2012-06-23
936 reads
“Green” Database Administration
For the past few years, I have seen tens of sql server boxes added in my work environment every year,...
2012-06-04
4,635 reads
Investment for DBA Career
As IT professionals, we all will consider and take actions, at some point of time, to “invest” in our careers....
2012-06-02
1,072 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