Koen Verbeeck

Koen Verbeeck is a Microsoft Business Intelligence consultant at AE, helping clients to get insight in their data. Koen has comprehensive knowledge of the Microsoft Data Platform and has been a Microsoft Data Platform MVP for several years. He's also a speaker at various conferences.

Blog Post

Power BI PBIR Format Admin Setting

The Power BI Enhanced Report Format (PBIR) will soon become the default, and that’s a good thing because it significantly makes git integration easier. You can already enable it...

2025-11-20 (first published: )

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Blogs

AI Helps Me with My Sloppiness

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I type fairly well. Well, I type fast, but I do wear out a...

WITH clause gets a 26ai boost!

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By way of background, a while back I did video called “My New Favourite...

Automatic Index Compaction

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Index maintenance has always meant nightly jobs and a window you have to defend....

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Forums

SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

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

By Chandan Shukla

Comments posted to this topic are about the item How We Handled a Vendor...

Cognitive Coverage

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Cognitive Coverage

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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       NULL
All 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