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.
T-SQL in SQL Server 2025: JSON_ARRAYAGG
Learn how the JSON_ARRAYAGG() function works in SQL Server 2025.
Blogs
Demo for Parameter Sniffing and Memory Grant Feedback
Disclaimer: The following is built with Claude Code. Just need to justify my $100/mo...
My Social Media Rules
By Brian Kelley
I developed these rules a while back, before COVID. I had a period of...
Why Use TRY_PARSE(): #SQLNewBlogger
By Steve Jones
Someone asked why I would use TRY_PARSE after I posted a question at SQL...
Forums
Alamat Kantor BCA KCU Bekasi Telp:08217555651
Hub Via Wa:628217555651 Alamat Jl. Ahmad Yani No.9, RT.01/RW.05, Marga Jaya, Kec. Bekasi Sel.,...
Partitioning a table with TEXTIMAGE_ON option
I have a table that ends in ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]. I'm about to...
OUTER APPLY Fundamentals: Part 2
Comments posted to this topic are about the item OUTER APPLY Fundamentals: Part 2
Question of the Day
The SQL Server MCP Server
How do I get an MCP server for my SQL Server 2025 database from Microsoft?
See possible answers