SQLServerCentral Editorial

Skunk Works

The idea of a skunk works is to build a project that works under the radar, by a small and loosely organized group of people. Used to fuel innovation, this is an idea that you might apply to SQL Server BI projects.

External Article

SQL Server Unit Testing with tSQLt

When one considers the amount of time and effort that Unit Testing consumes for the Database Developer, is surprising how few good SQL Server Test frameworks are around. tSQLt , which is open source and free to use, is one of the frameworks that provide a simple way to populate a table with test data as part of the unit test, and check the results with what should be expected. Sebastian Meine and Dennis Lloyd, who created tSQLt, explain

External Article

Making a more reliable and flexible sp_MSforeachdb

While the system procedure sp_MSforeachdb is neither documented nor officially supported, most SQL Server professionals have used it at one time or another. This is typically for ad hoc maintenance tasks, but many people (myself included) have used this type of looping activity in permanent routines. Sadly, I have discovered instances where, under heavy load and/or with a large number of databases, the procedure can actually skip multiple catalogs with no error or warning message. Since this situation is not easily reproducible, and since Microsoft typically has no interest in fixing unsupported objects, this may be happening in your environment right now

SQLServerCentral Editorial

ETL Security Holes

The growth of ETL processes and secondary systems for reporting, decision support and other analysis creates an issue. Steve Jones points out that we ought to be remembering that security needs to be applied to data, not just systems.

Blogs

Learn about Modern Microsoft Apps in San Diego

By

I wrote about learning today for the editorial: I Can’t Make You Learn. I...

How To Deploy Fabric SQL and Azure SQL Databases with Azure DevOps

By

Fabric has CI/CD built in, but if you've tried to use it for database...

A New Word: Attriage

By

attriage – n. the state of having lost all control over how you feel...

Read the latest Blogs

Forums

Getting results from a Procedure to join to a query

By bswhipp

I have a need to execute a stored procedure and return the results to...

Upgrade 2016 Standard to 2022 Express

By pdanes

Title pretty much says it all - can this be done? I've tried several...

BIT_COUNT II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT II

Visit the forum

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