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.
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
Why Database AI Agents need Layers?
By Arun Sirpal
Third part in my Ai series with databases. When building AI solutions within the...
Un-Migrating From the Cloud: T-SQL Tuesday #199
By Steve Jones
This month we have a very interesting invitation from Koen Verbeeck. He has hosted...
T-SQL Tuesday #199: Back to the on-prem
It’s the second tuesday of the month, which means T-SQL Tuesday time! This month’s...
Forums
BCA KCU PANAKKUKANG Telp/WA:0817844112
phone/Wa, Cs. 0817844112 Jl. Boulevard No.5 Blok F5, Masale, Kec. Panakkukang, Kota Makassar, Sulawesi...
BCA KCU MAKASSAR Telp/WA:0817844112
phone/Wa, Cs. 0817844112 Jl. Ahmad Yani No.31, Pattunuang, Kec. Wajo, Kota Makassar, Sulawesi Selatan...
BCA KCU AMBON Telp/WA:0817844112
phone/Wa, Cs. 0817844112 Jl. Sultan Hairun No.24, Kel Honipopu, Kec. Sirimau, Kota Ambon, Maluku...
Question of the Day
Converting Money
Does this run successfully on a SQL Server 2022, US English default installation?
DECLARE @YenAmount MONEY; SET @YenAmount = ¥1500; SELECT @YenAmount AS RawValue;See possible answers