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Varchar(Max) and ADO

Another note from a friend. They decided to upgrade a large varchar column to varchar(max) and subsequently found strange behavior...

2007-11-05

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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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