External Article

Using a Parent Child Hierarchy in SQL Server to Implement a Custom Security Scheme

I have a requirement to implement a custom security scheme where roles and the user's place in the organization hierarchy are used to determine which customers a user can access. In particular the requirements are that a sales person can only access their customers and any other role can access any customer in their level of the organization hierarchy and below. We have a simple hierarchy that is made up of regions and offices. Can you provide us with an example of how to do this?

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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;

See possible answers