SQL Homework – February 2019 – Instance configurations
This homework series really has two purposes. It’s a primer for beginners. These are tasks I think most if not...
2019-02-04
208 reads
Interview Trick Questions
Anybody that has interviewed for a job has most likely run into the trick question. Some interviewers like to throw out multiple trick questions all in an effort to...
2019-02-04
12 reads
Interview Trick Questions
Today, I am diverging from the more technical posts that I routinely share. Instead, as the title suggests, I want...
2019-02-25 (first published: 2019-02-04)
3,179 reads
Cool Stuff in Snowflake – Part 5: Finding Previous Non Null Value
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....
2019-02-04
71 reads
SQL Server Monitoring: Keeping track of missing index requests
A lot of us turn to execution plans when we see a slow running query, and it’s not uncommon to...
2019-02-04
203 reads
Undercover Catalogue 0.2 Released
We’re pleased to announce the release of the Undercover Catalogue 0.2 and can be downloaded from https://github.com/SQLUndercover/UndercoverToolbox/tree/master/SQLUndercoverCatalogue
The new version brings...
2019-02-04
128 reads
Data Warehousing Tip #7 – How I build a time dimension
In this article I’m going to show you how I build my time dimensions. There are lots of different ways...
2019-02-26 (first published: 2019-02-04)
3,927 reads
Classify your Azure SQL Database
Here I am talking about SQL Data Discovery & Classification feature that is built into Azure SQL Database. With this feature you...
2019-02-04
211 reads
Weekly reading #1
Damian. My name is Damian. Maybe you already know me from the previous blog which I had to leave. I...
2019-02-04
55 reads
Tidier PowerShell Scripts with Default Parameter Values
I was recently working on a PowerShell script to set up some new databases for my users and found myself writing the same things over and over again.
1 2...
2019-02-04
30 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