What is New in SQL Server 2025
Learn about the latest version of SQL Server and get help installing it on your system.
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.
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.
Blogs
T-SQL Tuesday #201 Round-Up: Temp Tables, Friend or Foe?
By ReviewMyDB
The T-SQL Tuesday #201 round-up: nine bloggers on whether temp tables are a friend...
Monday Monitor Tips: Configuring Access to the MCP Server
By Steve Jones
I have been experimenting with MCP servers in a few ways, including the Redgate...
The GO Barrier: Why SSMS Multi-Server Query Waits for the Slowest Connection
By Zikato
I deployed a schema change to 30 servers using multi-server query and deploy-at-low-priority. Small...
Forums
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Admin Rights for Everyone
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Question of the Day
RegEx Functions I
Which of these RegEx functions need compatibility level 170 in SQL Server 2025?
See possible answers