Lost in Translation – Deprecated System Tables – sysconstraints
This post is part of a blog series which focuses on translating compatibility views in SQL Server to their respective...
2012-07-07
1,583 reads
5 Reasons Why I Need To Go To SQLskills Immersion Training
I was thinking about the contest that SQL Sentry is running for a week of SQLskills Immersion Training, and the...
2012-07-07
960 reads
MDX ClosingPeriod and PeriodsToDate
I’ve decided that the best way to spend a day of 104 degree weather is to sit inside and write...
2012-07-07
1,287 reads
This week’s links on monitoring SQL Server performance
From time to time, I will be posting links that I encountered during the week. This is also one way...
2012-07-06
838 reads
Find the size of Index in SQL Server
As we know, sp_spaceused gives the size of table and index but it gives the sum of size of all...
2012-07-06
7,496 reads
IOPS verses Throughput – Measuring Performance of Your Storage
Working on a recent consulting job, I was asked to explain the difference in throughput, which is, measured in MB/s...
2012-07-06
1,205 reads
The Standing Desk – In the Light
It’s been almost a month since I started the Standing Desk experiment. My first setup was down in the basement,...
2012-07-05
1,131 reads
Lost in Translation – Deprecated System Tables – sysconfigures
This post is part of a blog series which focuses on translating compatibility views in SQL Server to their respective...
2012-07-05
1,210 reads
Differences in the Null Bitmap between SQL 2005 and 2012
Hello Dear Reader, I’ve been working on a series for BIDN.com, the Business Intelligence Developers Network, on how to read...
2012-07-05
1,229 reads
SQL Server table partition switching
If you are using partitions in SQL Server, be aware that “partition switching” is a great feature to quickly truncate partitions...
2012-07-05
8,018 reads
Blogs
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...
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
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