Getting Your SET Options
Have you ever used @@options? I haven’t typically needed this, but there are times that you might wonder what options...
2018-02-15 (first published: 2018-02-06)
2,193 reads
Blog Posts
Bloggers Should Have Reach
One of my goals for 2018 is to expand the reach of my blog.
As a blogger starting out I had...
2018-02-14
327 reads
Join me for Masking, Privacy, Protection, and Clones at SQL in the City Feb 28
Registration is open for SQL in the City 2018. Our first event is Feb 28 and I’ll be heading back...
2018-02-14
365 reads
Migrating or Recovering a TDE protected Database
When encrypting a database with Transparent Data Encryption(TDE), a vital consideration is to make sure we are prepared for the...
2018-02-14
552 reads
Performance Basics: Key lookup operator and query optimization
One of the most basic things to improve performance in our queries is using indexes, but this doesn't mean that...
2018-02-14
568 reads
Wait Statistics on a Query
Wait statistics are a vital part of understanding what is causing your system to run slowly. Capturing them can be...
2018-02-14 (first published: 2018-02-05)
2,736 reads
Waiting Tasks Reveal Pain Points
Waiting tasks quickly shows you where to look for the bottlenecks. This is only one of the many times that I...
2018-02-14 (first published: 2018-02-06)
2,861 reads
Why nested views are bad
Nested views are bad. Let’s get that out of the way. What is a nested view anyway? Imagine that you...
2018-02-14
2,385 reads
How I Accidentally Found a Passion for Plants (#TSQL2sDay 99)
For TSQL Tuesday #99, @AaronBertrand gave us an invitation to write about something we’re passionate about outside of SQL Server. As a community we spend a lot of time digging into nerdy...
2018-02-13
29 reads
Obsessing over query operator costs
A common problem when looking at execution plans is attributing too much meaning and value of the costs of operators. The percentages shown for operators in query plans are...
2018-02-13
23 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, 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