When did SQL Server start and how long is the downtime window?
This is an old topic, and there have been quite a few blogs (and following comments) that illustrate how to...
2010-05-27
3,749 reads
Jeffrey Yao
Issue with SQL Server 2K5 SP3 CU5
In case you are considering to apply SQL Server SP3 CU5 (http://support.microsoft.com/kb/972511) to your system, I'd like to point out one issue / bug we found with CU5.
2009-09-15
3,000 reads
Issue with SQL Server 2K5 SP3 CU5
In case you are considering to apply SQL Server SP3 CU5 (http://support.microsoft.com/kb/972511) to your system, I'd like to point out...
2009-09-12
1,582 reads
Journey to trouble-shoot Error 5042 (cannot remove a file xxx because it is not empty)
I was working on a table partition management task yesterday. The table is partitioned on a datetime column, and each...
2009-08-10
8,962 reads
Thoughts on SSC Blog Site Improvement
I have been reading blogs from various sources, such as blogs on SSC, and on sqlblog.com etc. However on all...
2009-04-22
769 reads
Database Administration Literature Criticism
What is literature? I find this definition is pretty intuitive at http://classiclit.about.com/od/literaryterms/g/aa_whatisliter.htm and also this one is more comprehensive at...
2009-04-19
1,018 reads
DBA Education
I always consider taking seminars and technical conferences as a key component in my DBA education framework
2009-02-03
1,484 reads
DBA Education
I always consider taking seminars and technical conferences as a key component in my DBA education framework
Last week (Jan 21...
2009-01-27
1,748 reads
List Objects in a Filegroup in SQL Server 2005
I have tried hard to google a SQL query to find what objects exist in a specific filegroup, but in...
2009-01-16
12,564 reads
DBA Mission and Vision Statement
There is a saying that "The important is often not
urgent and the urgent not important". I could not agree more...
2009-01-03
18,359 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