Hang Liu

With over 25 years of experience in database technology, I've excelled across diverse industries such as Financial Services, CRM, Retail, Entertainment, and Healthcare. Currently serving as a Data Architect at Healthcare Logic in Gold Coast, Australia, I embarked on my BI/DW journey in 2005. Bringing 15+ years of expertise in BI/DW, data analysis, and report development, I leverage technologies like SQL Server, Azure, Oracle, and Power BI. Actively contributing to the global DW community, I share insights on the Kimball Forum: http://forum.kimballgroup.com/spa/hang

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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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