Learn about the State of Database DevOps Next Week
It’s a week to my webinar with Donovan Brown (bt, yg), leader of the League of Extraordinary Cloud DevOps Advocates,...
2019-02-14
233 reads
DBA Myths: Can a differential backup get bigger than the full backup?
The thing about DBA Myths is that they are generally widespread and widely believed. At least I believed this one...
2019-03-04 (first published: 2019-02-14)
2,460 reads
Undercover Catalogue 0.2.1, Fixes An Issue With The Recording Of Unicode And MAX Datatype Lengths
Please see https://sqlundercover.com/undercover-catalogue-0-2/ for full details on the Undercover Catalogue and how to obtain it.
We’ve spotted an issue where unicode...
2019-02-14
137 reads
Partitioning 3: Beyond just partition elimination
In Partitioning 2, I showed how to analyze which partitions were accessed by our Index Seek. However, we were searching...
2019-03-04 (first published: 2019-02-14)
1,873 reads
Violin Plots in Power BI
In case you aren’t familiar, I would like to introduce you to the violin plot.
A violin plot is a...
2019-03-05 (first published: 2019-02-14)
3,134 reads
Cool Stuff in Snowflake – Part 6: Query History
I’m doing a little series on some of the nice features/capabilities in Snowflake (the cloud data warehouse). In each part, I’ll highlight something that I think it’s interesting enough to share....
2019-02-14
69 reads
Speaking at SQL Saturday Victoria
I am so excited to announce that I have been selected to speak at SQL Saturday Victoria on Saturday, March 16, 2019. I will be presenting my What is...
2019-02-13
27 reads
Speaking at SQL Saturday Victoria
I am so excited to announce that I have been selected to speak at SQL Saturday Victoria on Saturday, March...
2019-02-13
121 reads
Free SQL tuning tool: How’s My Database?
It’s taken longer than I thought it may and I’ve run into several problems along the way but had a...
2019-02-13
228 reads
Where have I been?
Before you read too far, this is going to be a deeply personal post.Where do I begin? As many of...
2019-02-13
153 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