Technical Article

Concatenating Row Values in Transact-SQL

It is an interesting problem in Transact SQL, for which there are a number of solutions and considerable debate. How do you go about producing a summary result in which a distinguishing column from each row in each particular category is listed in a 'aggregate' column? A simple, and intuitive way of displaying data is surprisingly difficult to achieve. Anith Sen gives a summary of different ways, and offers words of caution over the one you choose.

Technical Article

Recover from a SQL Injection Attack on SQL Server

Lately it seems like SQL Injection attacks have been increasing. Recently our team has worked through resolving a few different SQL Injection attacks across a variety of web sites. Each of these attacks had a number of similarities which proved to point back to the same source. With this information in hand, the resolution should be much quicker. As such, if your web site is attacked with SQL Injection, how should you address it? How can the identification, analysis, recovery and resolution be streamlined? What are some lessons learned?

Blogs

RANK() vs DENSE_RANK(): #SQLNewBlogger

By

I haven’t done one of these in awhile, but I saw an article recently...

Using CAT for Testing of Data Agents

By

In last months one of the scenarios where you can use AI has been...

Are you getting value from your reporting?

By

Do you spend so long manipulating your data into something vaguely useful that you...

Read the latest Blogs

Forums

Fun with JSON

By ateraa

Comments posted to this topic are about the item Fun with JSON

Creating JSON II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Creating JSON II

Engineer Lessons

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Engineer Lessons

Visit the forum

Question of the Day

Creating JSON II

On SQL Server 2025, what happens when I run this code:

SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON)
GO

See possible answers