Janeta Parakosova

Finding a String Anywhere in Another String

Optimize searching for a string within another string with this string storage and indexing technique.

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2018-07-31

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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:

UserID  UserPermissions
15
23
37

What is returned when I run this code:

select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;