The Power of Data and Privacy
Steve discusses privacy and data that is publicly available on the Internet.
Two New Shortcuts for Fabric Lakehouse Developers: The Fabric Modern Data Platform
This next articles gives you a few quick ways to access data in remote storage.
Using REGEXP_COUNT to Count Strings in SQL Server 2025
We need to find out how many times certain strings appear in a column. We’ve used the LEN and REPLACE functions for years, but recently heard about REGEXP_COUNT and want to evaluate it, since we plan to upgrade to SQL Server 2025. How can we test this new feature?
GPX distance and time analysis in SQL Server
In this article we do a comparative analysis of the distance covered by two athletes during a race using the data of their GPX files.
The DBA is Dead; Long Live the DBA
There have many many times when a company or individual has thought that DBAs aren't needed. Steve doesn't think that has ever been true, nor will it be anytime soon.
Common Misconceptions About Microsoft Certification Exams
An experienced exam writer explains common misconceptions about Microsoft certification exams, question design, preparation, and real-world expectations.
Optimism Without Illusion or Why AI Needs Blunt Technologists
There is a temptation, especially in technology, to mistake momentum for maturity.
How Database Professionals Sent a Million Emails a Day from SQL Server
This is part of a look back at the history of SQL Server Central as a part of our 25-year celebration in Feb 2026. "They want how much?" That was a question I got from Andy one afternoon as we discussed how we were going to manage the growth of SQL Server Central. I had […]
How Filters and Sorting can Derail SQL Pagination Performance
In my previous tip, Pagination Performance in SQL Server, I showed how to make SQL pagination more predictable – turning O(n) into O(1). I materialized and cached row numbers to page through instead of calculating them on every request. It wasn’t the whole story, though; real pagination queries rarely get to sort without filtering. Users always want more control, and filtering can threaten that predictability.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers