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.
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.
Microsoft On-Premises Data Gateway Administration
As a Microsoft Fabric Administrator, you have the responsibility to manage all the Microsoft Enterprise gateways installed and deployed across your entire data estate.
Blogs
A New Word: Gnossienne
By Steve Jones
gnossienne– n. the awareness that someone you’ve known for years still has a private...
Exploring DiskANN: Part I: Understanding the Algorithm before the disk
How I used AI for this postChatGPT to generate images based on info specifically...
Learning Tool – Deepstash
By Brian Kelley
A few months ago I started using Deepstash. Deepstash breaks books into the key...
Forums
How Can SQL Server Detect Application Errors When Developers Can’t?
Comments posted to this topic are about the item How Can SQL Server Detect...
Getting Database MaiL Profiles
Comments posted to this topic are about the item Getting Database MaiL Profiles
Preserving Data
Comments posted to this topic are about the item Preserving Data
Question of the Day
Getting Database MaiL Profiles
If I want to return information about all Database Mail profiles on my instance from T-SQL, how can I do this?
See possible answers