Kamil

My name is Kamil Nowinski and I'm the founder & owner of SQLPlayer blog.
I'm Microsoft Data Platform MVP, MCSE. Senior Data Engineer, data geek and friend of Redgate. I speak at user groups and conferences across Europe. Love #SQLfamily and Community around Microsoft Data Platform - that's why my podcast is called "Ask SQL Family" where I talk to well-known and valued specialists in the industry (including Microsoft employees).

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Blogs

Claude Code Helps Analyze Test Data Manager Log Files

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I had a customer ask about analyzing their Test Data Manager (TDM) usage to...

PowerPoint to HTML with Claude AI

By

I had an idea for an animated view of a sales tool, and started...

Don’t Miss Out – SQL Server Query Tuning Fundamentals Starts Next Monday!

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Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...

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Forums

SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance

By Site Owners

Comments posted to this topic are about the item SQL Server 2025 Query Performance...

Is it uncommon for Dev's to have a data model of the source data

By Coffee_&_SQL

This is a generic question. To the moderators, I wasn't sure where to place...

ROLLUP to calculate Month total for all Categories

By Reh23

Good Afternoon, I have built a table with four columns:  Period(Month), Category, Numerator, Denominator....

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Question of the Day

Creating JSON I

On SQL Server 2025, what happens when I run this code: 

SELECT JSON_OBJECTAGG( 'City':'Denver')
GO

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