Technical Article

Joining to the Next Sequential Row

One of the more obscure requirements that a developer may find themselves facing is the need to compare a row with its immediate sibling. One such case is when a list of values needs to be processed to produce a moving average or to smooth a sequence of statistical numbers where their order is important. For example, values lying along a time line. The solution is actually quite simple, but not immediately obvious.

External Article

SQL Server Tracing: An Automated and Centralized Solution

When you are trying to pin down the cause of a problem with a SQL Server, there is probably going to come a time when you need to get 'trace' information. If you've ever done that, you'll know how easy it is to get overwhelmed by the detail. Here, Shawn McGehee shows how to get round the problem by capturing trace information on a schedule, filtering the captured information, and monitoring it from a central location.

Blogs

Methodology for dealing with bad data in production

By

Pinal Dave wrote up his methodology for what to do when you discover bad...

How to Provision an Azure SQL Database

By

Aside from spinning up a SQL Server instance container, the free Azure SQL Database...

Claude finds two cryptographic weaknesses (but the sky isn’t falling)

By

If you haven't seen the announcement, Anthropic was able to utilize Claude (Mythos Preview)...

Read the latest Blogs

Forums

Why SQL Server Database Attach fails and how to repair it

By Nisarg Upadhyay

Comments posted to this topic are about the item Why SQL Server Database Attach...

Fixing P1 Queries

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Fixing P1 Queries

BIT_COUNT() IV

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT() IV

Visit the forum

Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code:

select bit_count('A')
What is returned?

See possible answers