Colleen M. Morrow

Colleen Morrow is a database professional living in Cleveland, OH who has been working with database systems since 1996. For more than 12 years, she was a Database Administrator at a large law firm where she developed an appreciation for auditing, automation, and performance tuning. Since that time she has worked with clients in the healthcare, manufacturing, software, and distribution/freight delivery industries. Colleen is currently a Senior Consultant at Fortified Data.

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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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