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Another Color Wheel

Some time ago, I had the opportunity to work on a problem involving the color wheel.  The requirements for that problem lent themselves to a solution involving bitwise operations...

2011-11-03

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BIT_COUNT II

By Steve Jones - SSC Editor

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I Can't Make You Learn

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Why Your SQL Permissions Disappeared

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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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