Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

Excel formulas are getting scary good.

An unpatched SQL injection vulnerability in the Ghost content management system has been weaponized in an active, large-scale cyberattack that has compromised more than 700 websites worldwide — ...

Power Query and Power Pivot help Excel users manage large datasets more efficiently. Power Query focuses on cleaning and preparing data, while Power Pivot handles analysis and reporting. Together, ...

This article is not about ethics, privacy, security, ownership, or corporate governance — I am going to circumvent all of this here by using some made-up data relating to supermarket sales: Here, I ...

Every data engineering team right now is being asked the same question: "How do we build a chatbot that talks to our data?" The prototypes are deceptively simple. A developer connects GPT-5.1 to a ...

App security outfit Checkmarx says automated reviews in Anthropic's Claude Code can catch some bugs but miss others – and sometimes create new risks by executing code while testing it. Anthropic ...

Interviews for data analysts test technical and business understanding. Practicing real examples helps you explain your thought process better. Strong communication is as essential as technical ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...

Have you ever felt like your Excel skills hit a ceiling, no matter how many pivot tables you create? You’re not alone. While standard pivot tables are a reliable tool for summarizing data, they often ...