SQLServerCentral Editorial

Speed Phreaks

A guest editorial from Phil Factor looks at the Speed Phreak competition that has been taking place recently and is quite popular. Read about the inspiration for the competition and why you might want to participate.

Technical Article

Easy Licenses

Software licensing can be complex and confusing. Even in Windows and SQL Server, where hard limits are not enforced, people have problems determining how they should license software. Steve Jones talks about what vendors could do to help us.

External Article

Pivoting, Unpivoting and Aggregating

We asked Phil Factor to write a nice simple quick-start guide about aggregation, pivoting and un-pivoting techniques. To do so, he takes us all the way from getting the data from a published source, transferring it to SQL Server, un-pivoting it, storing it in a relational table, aggregating it and finally pivoting the data in a variety of ways.

External Article

How to Detach and Attach a SQL Server FILESTREAM Enabled Database

Most SQL Server DBAs have questions about how to detach and attach a FILESTREAM enabled databases. In this tip, we will take a look at the steps Database Administrators need to follow in order to detach and attach a FILESTREAM database once Data, Log and FILESTREAM container files have been moved from the default location to a new location. This tip includes a general explanation of the FILESTREAM technology introduced with SQL Server 2008. This is followed by examples and scripts to detach and attach FILESTREAM enabled database in your environment.

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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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