Cláudio Silva

I work as Data Platform Architect.
I love performance tuning and I'm also a PowerShell lover who automates any process that needs to be done more than a couple of times.
I contribute to open-source PowerShell modules such as dbatools and dbachecks.

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Blog Post

dbatools - Exceptions

Who doesn’t like a good red and verbose exception? At PowerShell community we often call it a “sea of red” which we found as something that can be intimidating....

2022-06-27 (first published: )

365 reads

Blog Post

dbatools - Rich Datatypes

Some datatypes can be shown in so many different forms (think measurament units, dates with short/long forms, or regional settings) that can be difficult to have a standard. What...

2022-06-13 (first published: )

301 reads

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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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