Develop and Test Your Rollback Plan
he rollback plan... what to do when things go wrong to get back to where you were before the deployment or implementation. I've seen too many cases where a...
2024-05-17 (first published: 2024-05-01)
380 reads
Blog Posts
The Ireland and UK DevOps Roadshow
We’re taking the roadshow across the water. Hope the plane makes it. The Redgate DevOps Roadshow comes to Ireland and the Northern UK in June. We’ll be in these...
2024-05-16
28 reads
Microsoft Fabric shortcuts
I talked about Microsoft Fabric shortcuts in my blog post Microsoft Fabric – the great unifier (where I have updated the picture with the newest supported sources) and wanted...
2024-05-15 (first published: 2024-05-01)
455 reads
SQL Aggregate Functions: Your Essential Guide & Cheat Sheet
SQL aggregate functions are your go-to tools for transforming raw data into actionable insights. They condense multiple rows into single, meaningful values, making it easier to grasp the big...
2024-05-15
362 reads
Will AI Replace SQL Developers? The Answer Might Surprise You!
The world of databases keeps growing, and the pressure to extract meaningful insights from that data increases just as fast. If you work with data, you know that SQL...
2024-05-15 (first published: 2024-05-01)
1,233 reads
Getting Error 64 When Trying To Connect to SQL Server or Azure
Often times when working with a client, I’ll run into issues or get emails from a client with a message like the following: A connection was successfully established with...
2024-05-14
36 reads
Friday Basics: the CIA Triad
In information security (INFOSEC), there several foundational concepts and principles. One of the ones that’s introduced almost immediately is called the CIA triad or the Information Security Triad. While...
2024-05-13 (first published: 2024-04-26)
263 reads
T-SQL Tuesday 174 - Your Favorite Job Interview Questions
T-SQL Tuesday is a monthly blog party hosted by a different community member each month. This month, Kevin Feasel
(blog | twitter) asks us about job interview questions.
What is your...
2024-05-13
39 reads
Use a slicer to filter a visual based upon a measure in Power BI
Have you ever wanted to filter a visual by selecting a range of values for a measure? You may have found that you cannot populate a slicer with a...
2024-05-13 (first published: 2024-05-01)
339 reads
5 Advanced Online SQL DBA Training Courses to Learn in 2024 and Beyond
Buckle up, database wranglers! Nowadays, SQL DBAs hold the keys to a company's most valuable asset: their information. But basic SQL knowledge won't get you far when it's time...
2024-05-11
99 reads
Blogs
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
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...
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