How to pass Microsoft certification exams: tips and guidance
In my previous article, I discussed how to prepare for Microsoft certification exams. In this article, I’m covering what you should do when actually taking the exams.
What Are You Waiting For?
This editorial discusses how to help others take their first step into contributing to the community
A Tool is Better than a Script
Tools are important to DBAs, but they need to be reliable, both in what they do, and how they work.
Understanding Deadlock Victim Selection in SQL Server
A short introduction to how deadlocks work and how you can affect their behavior inside your system.
Net Present Value and Internal Rate of Return in SQL Server
Many organizations store cash-flow data inside SQL Server and decision-makers often need metrics like Net Present Value (NPV) and Internal Rate of Return (IRR) to evaluate those cash flows. Is it possible to calculate NPV and IIR values in SQL Server without the use of external tools?
T-SQL Trigonometric Functions in SQL Server
Introduction SQL Server includes several built-in mathematical functions that allow developers to perform complex calculations directly within queries. Among these are trigonometric functions such as SIN(), COS(), and TAN(), which are useful in scenarios involving engineering calculations, geographic data processing, simulations, and analytics. Although these functions are straightforward to use, developers occasionally encounter unexpected results […]
How Multi-Column Statistics Work
The short answer: in the real world, only the first column works. When SQL Server needs data about the second column, it builds its own stats on that column instead (assuming they don’t already exist), and uses those two statistics together – but they’re not really correlated.
Spring Connections and Learning at PASS On Tour
The spring PASS On Tour event is coming to Chicago in a few weeks.
T-SQL in SQL Server 2025: JSON_ARRAYAGG
Learn how the JSON_ARRAYAGG() function works in SQL Server 2025.
Blogs
Data Skew in Data Engineering: What It Is and How to Fix It
You kick off a distributed job expecting it to finish in minutes — but...
SQL Server instance metadata inventory with PowerShell and SMO
By SQLPals
SQL Server instance metadata inventory with PowerShell and SMO The purpose...
5 SQL Tricks Worth Remembering Before You Close the Laptop
Disclosure: this post may contain links to books as an affiliate link. If you...
Forums
Fuzzy String Matching in SQL Server 2025
Comments posted to this topic are about the item Fuzzy String Matching in SQL...
Representing Money
Comments posted to this topic are about the item Representing Money
Celebrating 30 years of PostgreSQL, A Thank you message
Comments posted to this topic are about the item Celebrating 30 years of PostgreSQL,...
Question of the Day
Representing Money
Which types of currency does the money data type represent?
See possible answers