Unlock the power of SQL's NTILE function with our latest deep-dive article. Learn to segment your data effectively into quantiles for more nuanced analysis, discover common pitfalls and their solutions, and optimize your queries for peak performance.
2024-02-03 (first published: 2024-01-03)
5,386 reads
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
11,370 reads
Welcome to the fascinating world of SQL window functions! Today, we'll explore in detail: RANK() and DENSE_RANK().
2023-11-20 (first published: 2023-11-15)
16,862 reads
This article compares the performance of finding the most recent row in a child table for updates, looking at four possible solutions.
2023-07-10
3,822 reads
You can master engineering for your SQL Server databases, on premises or in the cloud, with a FREE toolkit!
2022-10-28
4,800 reads
Here's why you should NEVER use the FORMAT() function in SQL Server.
2022-08-05
21,750 reads
Introduction to Query history and server reports i...
2022-03-14
9,869 reads
It’s not difficult to set up an extended event session, but reviewing and saving the data can be complex. In this article, Edward Pollack demonstrates how to collect extended event data.
2021-11-03
SQL Server perfmon counters provide a wealth of information about performance. In this article, Fabiano Amorim shows how current wisdom about one counter, SQL Compilations/sec, can sometimes be misleading.
2021-08-20
SQL Server provides information for troubleshooting performance. Ed Pollack demonstrates collecting SQL Server performance monitor data.
2021-08-11
By Brian Kelley
Do you have a case where you have a named instance you'd like to...
I’ve been running this blog on Hugo for a long time, and like most...
By Steve Jones
I was trolling the docs and noticed the SIGN() function. I have never written...
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Comments posted to this topic are about the item RegEx Functions I
Which of these RegEx functions need compatibility level 170 in SQL Server 2025?
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