Articles

External Article

The SQL Server 2016 Query Store: Overview and Architecture

SQL Server's Query Store, introduced in SQL Server 2016, helps to troubleshoot query performance by capturing a range of information about query usage, CPU, memory consumption, I/O and execution time, and retaining every Execution Plan for analysis. Much of this information is available through queries. It looks set to be the most significant enhancement of SQL Server 2016 - Enrico van de Laar explores.

2015-12-04

4,278 reads

External Article

Doing a SQL Server Healthcheck via PowerShell

PowerShell is an ideal tool for doing health-checks of a collection of SQL Server instances, and there are several examples around, but few acknowledge the fact that individual DBAs have their own priorities for tests, and need something easily changed to suit circumstances. Omid Afzalalghom's Healthcheck allows tests to be SQL or PowerShell and requires only adding, altering or deleting files in directories.

2015-12-01

4,827 reads

Blogs

Setting Up a Mac for Data Engineering and AI Work

By

If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...

Want to look at cloud reporting but not sure what the costs will be?

By

Have you been thinking about migrating your reporting to Microsoft Fabric or Snowflake but...

The Joyful Craftsmen and the Revolt BI join forces

By

The Joyful Craftsmen has become the new owner of Revolt BI. The merger creates...

Read the latest Blogs

Forums

SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

Comments posted to this topic are about the item SQL Art, Part 4: Happy...

SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values

By Ivica Borscak

Comments posted to this topic are about the item SQL Server Enum Implementation: A...

BIT_COUNT I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT I

Visit the forum

Question of the Day

BIT_COUNT I

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;

See possible answers