External Article

The SQL of Gaps and Islands in Sequences

Some SQL problems are intriguing because, just when good methods emerge and are accepted, other alternative solutions are discovered. The fun of exploring problems such as 'Gaps and Islands' is all the greater when we have a thorough test-harness to try out the alternative solutions.

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

ALAMAT KANTOR BCA KCU KISARAN TLP/WA 08217555651

By layanan_Bca88

Hub Cs: 08217555651 Jl. Cokro Aminoto No.28, Kisaran Kota, Kec. Kota Kisaran Barat, Kabupaten...

ALAMAT BCA KCU PEMATANG SIANTAR TLP/WA 08217555651

By m4rt1n4

TLP/CS 08217555651 Jl. Merdeka No.39, Proklamasi, Kec. Siantar Bar., Kota Pematang Siantar, Sumatera Utara...

Alamat Kantor Bank BCA KCP Lomanis Telp:08218154393

By m4l4mt194

WA:08218154393 Jl. Gatot Subroto No.080A, RT.001, Cigobang, Gunungsimping, Kec. Cilacap Tengah, Kabupaten Cilacap, Jawa...

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