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Wait Types and Latch Classes Library

Great news from SQLSkills.”Announcing the comprehensive SQL Server Wait Types and Latch Classes Library” – Paul S. Randal http://www.sqlskills.com/blogs/paul/announcing-the-comprehensive-sql-server-wait-types-and-latch-classes-library/ It has...

2016-05-10

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Symbols

I just want to write the setup I went through for using debug symbols within SQL Server to resolve call...

2016-04-20

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BIT_COUNT II

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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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