Derek Wilson

Derek Wilson delivers tactical and strategic Business Intelligence and Enterprise Architecture solutions. His primary focus in on Microsoft SQL Server technologies and aligning business problems to technology solutions. He architects BI solutions leveraging SQL Server, SharePoint and any other technologies that help his clients achieve better data driven decisions. By leveraging the information learned while collecting requirements for BI projects, he helps align business processes to technology helping further organizations Enterprise Architecture. He is an author, trainer, blogger and has been using SQL Server since version 6.5.

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Blogs

KDA: Echoes of Deception - Case 7

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A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and...

Do This Before You Contact Your SQL Server Consultant

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Say you need outside help. You’ve exhausted all the things that you could do...

Microsoft MVP 2026: Ten Years on the Data Platform

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I’m honored to announce that I’ve been renewed as a Microsoft MVP for the...

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Forums

Implicit Conversions Cripple SQL Server

By sabyda

Comments posted to this topic are about the item Implicit Conversions Cripple SQL Server

BIT_COUNT() III

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT() III

The Mythical Bus Accident

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Mythical Bus Accident

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Question of the Day

BIT_COUNT() III

In SQL Server 2025, I run this code: 

select bit_count(-1)
What is returned?

See possible answers