Tip: OVER and PARTITION BY
I like to repost this blog about once a year, because you really really need to know about windowing functions....
2012-11-28 (first published: 2012-11-26)
4,620 reads
Jen McCown
Blogging for Beginners
Last week at the PASS Summit, I had several conversations with several different aspiring bloggers, and found myself saying the...
2012-11-20
994 reads
Find Duplicate (and covered) Indexes
A while back, I wrote a simple little query that lets you Get Index Included Column Info (because sp_help and sp_helpindex only...
2012-10-11
1,681 reads
Lose #5 Before #sqlpass
Win Valuable Prizes!
Impress Your Friends!
This week we’re starting up a health and weight loss competition that I hereby dub #PASSGameOn,...
2012-10-10
978 reads
Interview with a #SQLPASS Candidate – @NTSSUG’s Sri Sridharan!
Last week, Sri Sridharan (Twitter, blog) and I sat down on the Internet to talk about his run for the...
2012-10-09
708 reads
PASS Summit: What’s all the hype?
Last week I received this comment/question from one of my fabulous First Timers:
I have a good natured question coming from...
2012-10-08
739 reads
PASS First Timers Guide and Schedule – 2012 edition
Hi there ho there everybody! It’s less than five (FIVE!) three (THREE!)one (ONE!!) week until the 2012 PASS Summit in Seattle,...
2012-10-03
1,224 reads
Register for Sean’s Dallas precon!
On October 13, Dallas will hold our second ever Special Bi Edition of SQLSaturday Dallas - #SQLSat163 for you Twitter folk...
2012-09-14
1,088 reads
Stressed? Need training? Take a #SQLCruise!
I can’t tell you how many times I’ve sat in a training room, in the middle of a week long...
2012-09-06
983 reads
Our weekly webshow starts Friday! #DBAsAtMidnight
Let’s pretend we’ve never met. Depending on who you are, maybe we haven’t. It’s beside the point, really.
So hi, I’m...
2012-09-04
928 reads
Blogs
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...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
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