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Introduction to SQL Server Stretch Database

In many cases Azure SQL Database offers an economically and functionally viable alternative to SQL Server deployments. However, there are also scenarios where we might discover that rather than serving as a replacement, it provides synergy, working side by side with your on-premises databases. One of technologies that illustrate this paradigm is Stretch Database, introduced in SQL Server 2016. Marcin Polichtdescribes its basic characteristics and reviews its implementation steps in this article.

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BIT_COUNT II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT II

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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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