Andreas Wolter (www.andreas-wolter.com) has worked for over a decade as trainer (MCT), consultant and architect for SQL Server systems. He is one of less than a dozen experts worldwide, who have been certified as Microsoft Certified Master (MCM) on SQL Server 2008 and additionally Microsoft Certified Solutions Master Data Platform (MCSM) on SQL Server 2012.



Being an active member of the PASS he is also a speaker at various international conferences since several years.



With his Germany-based company, Sarpedon Quality Lab (www.SarpedonQualityLab.com), he provides development and optimization of database systems, with a focus on scalable, performing and secure deployments across Europe and worldwide. You can also follow him at Twitter at twitter.com/AndreasWolter.

  • Interests: Business Intelligence & Datawarehousing Performance Tuning Security

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Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code: 

select bit_count('A')
What is returned?

See possible answers