John Sterrett is very active within the SQL Server community. He is a PASS Regional Mentor for the South Central Region, co-founded the West Virginia SQL Server User Group and hosted two PASS SQL Saturday events in West Virginia. John has presented at several SQL Server events including PASS SQLRally, PASS Member Summit, many PASS SQL Saturday events, code camps, and, user groups. John is a syndicated blogger at http://johnsterrett.com.

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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

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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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