Finding the relationship of a filegroup and a partition
The other day, I was trying to find out which partition is on which filegroup for a a partitioned table....
2007-12-12
1,611 reads
Jeffrey Yao
Another use of OpenRowSet()
From time to time, I need to dump out the result from a SP, such as sp_lock or sp_who.
Traditionally,...
2007-11-29
1,423 reads
Distributed Transaction Issue Msg 7391
I solved an "interesting" issue today. It is about distributed transaction. When I set up transactional replication with immediate updating...
2007-11-21
3,705 reads
Generate RPC:Completed Event
I was doing a research on SQL trace regarding RPC:Completed event. So I need to generate a RPC:Completed event first...
2007-11-14
1,755 reads
save disk when doing backup
As a DBA, most of us will also take care of test environment. However test servers usually cannot afford to...
2007-11-11
394 reads
Survive A SQL Server DBA Technical Interview
Another little bit of career advice, this time from longtime author Jeffrey Yao who gives you some pointeres on what you should know for your next job interview.
2007-10-12 (first published: 2006-07-10)
36,182 reads
How to be a Good DBA - Strategy and Tactics
New Author! And long time reader - Jeffrey was site member #712, almost 3 years and 130,000 members ago! This article describes the skills needed to progress from junior to intermediate to senior DBA.
2005-12-30 (first published: 2004-03-03)
39,092 reads
Let database work for your daily life
I know there are many off-shelf stuff, like MS Money, that can help you organize your personal financial things, but...
2005-09-11
1,355 reads
about xp_sendmail
I got a very interesting issue, I may guess the reason but not sure why it is this way.
Symptom: Logon to...
2005-09-09
1,398 reads
one issue about SQL 2000 BOL
This is my first post, congrats to myself. 🙂
DTS Connection object does not list "UseTrustedConnection" property
I am working on a...
2005-09-08
1,366 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