Muhammad Adnan

How to Use SQL Server Features to Cut Web App Latency in Half

Discover how SQL Server features reduce web app latency. Learn key tactics to deliver faster queries and better performance in today’s web economy.

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2025-09-29

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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;