Grinding Away: Mary Spender
A few years ago I stumbled on this video and loved it. That led me to Mary’s page and this cover of John Mayer’s Stop This Train: Since then...
2025-01-13
32 reads
Blog Posts
How I Migrated to Azure PostgreSQL Flex from Single Server
I did a couple of posts previously on dumping/restoring Azure PostgreSQL databases and also using the Azure migration tool. I had to ultimately do a combo of those because...
2025-01-13 (first published: 2025-01-07)
1,961 reads
How to clear the SSMS cache?
How to clear the SSMS cache?
If you are reading this, it's probably because you too have this rare need to clear the SSMS cache for...
2025-01-13 (first published: 2025-01-10)
3,638 reads
How to Learn SQL Without Quitting Your Day Job
Juggling meetings, deadlines, and family? Yeah, learning SQL might seem like climbing Mount Everest in flip-flops. But guess what? You absolutely can become an SQL whiz without sacrificing your...
2025-01-13 (first published: 2025-01-12)
147 reads
A New Word: Querinous
querinous – adj. longing for a sense of certainty in a relationship; wishing there were some way to know ahead of time whether this is the person you’re going...
2025-01-10
132 reads
BK’s Bookshelf: Never Split the Difference
I picked up Never Split the Difference: Negotiating As If Your Life Depended On It by Chris Voss, a former FBI negotiator. Given what I do, I realized that...
2025-01-10 (first published: 2025-01-01)
459 reads
Capturing Ideas for Blogs
As we close out the year, I decided to drop this post here and maybe inspire a few of you to write in 2025. This post looks at some...
2025-01-10 (first published: 2024-12-30)
1,701 reads
Master SQL Subqueries with This Free Course
Want to boost your SQL game? Check out this free course, SQL Subqueries: Real-World Exercises for All Levels. It covers subqueries – a must-have tool for any SQL pro....
2025-01-10
186 reads
Introduction to OpenAI and LLMs – Part 3
My previous blog posts on this topic were Introduction to OpenAI and LLMs, the “what” part (what is OpenAI and LLM), and the “how” part Introduction to OpenAI and LLMs –...
2025-01-09
46 reads
2025-01-09
15 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
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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