Adam and Jennifer Salvo are IT professionals with over 10 years of diverse experience. Jennifer is a Business Intelligence developer focusing on the Microsoft BI stack (SSIS, SSAS and SSRS). Her prior work experience includes software development, systems analysis, end-user support, training, and SharePoint administration. Adam is a .NET technical lead with a current emphasis on Dev Ops and Windows Azure. His prior work experience includes .NET development, SQL Server administration, and BizTalk development. They also maintain a personal blog at salvoz.com.

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

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