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SQLServerCentral Article

SQL Window Functions Series: LAG() and LEAD()

Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.

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2023-12-11

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External Article

What is subsetting, what are the advantages, and how does it make test data management easier?

As data grows and databases become larger and more complicated, data
subsetting provides a method of working with a smaller, lighter copy of a
database to make development and testing faster and easier.

In this article, James Hemson poses the questions; what exactly is data subsetting, how and why are developers using it – or not using it, and
what’s prompting conversations about it?

2023-12-11

Technical Article

Plansplaining, part 20. SQL Graph (part 1)

Welcome to part twenty of the plansplaining series. It has been a long time since I last wrote a plansplaining post, partly because of my health, but also for a large part because I was out of ideas. But recently I decided to dig a bit deeper into a feature that was released in SQL Server 2017 and that I had so far not played with: SQL Graph.

2023-12-06

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Merry Christmas 2025

By Steve Jones - SSC Editor

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The Reindeer Count

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Reindeer Count

Events of System_health extended event serious or not

By IT researcher

I have listed the event names present in my system_health extended event report. Based...

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Question of the Day

The Reindeer Count

How many reindeer does Santa have pulling his sleigh? (according to the famous song) Hint, the answers are not base 10.

See possible answers