What is Power BI? A Complete Beginner’s Guide to Features, DAX & Uses (2026) If you work with data — or you want to — you’ve probably heard the name Power BI at least once. Maybe your manager mentioned it. Maybe you saw it on a job description. Or maybe you’re just curious about what all the fuss is about. Well, you’re in the right place. In this guide, we’re going to cover everything you need to know about Power BI — what it is, what it does, how to install it, how it compares to Excel, and how to write your first DAX formula. Whether you’re a complete beginner or someone who has used Excel for years, this guide is for you. Let’s get started! What is Power BI? Power BI is a business intelligence and data visualization tool developed by Microsoft. In simple words, it helps you take raw data — from Excel files, databases, websites, or apps — and turn it into beautiful, interactive reports and dashboards Instead of staring at boring rows and columns in a spreadsheet, Power BI lets y...
Practice coding daily using free beginner-friendly platforms Learning coding can feel confusing at the beginning, especially when you don’t know where to practice or what to practice daily . Many beginners start learning theory but stop because they don’t get enough hands-on practice. If you are a beginner, a BCA student, or someone who wants to improve coding skills step by step, this article is for you. Here are 10 free websites where you can practice coding daily , improve logic, and gain confidence — without paying anything. 1. HackerRank Best for: Absolute beginners and students HackerRank is one of the most popular coding practice websites for beginners. It starts from very basic problems and slowly moves to advanced levels. You can practice: Java Python C / C++ SQL Why beginners love it: Step-by-step learning Easy problem statements Certificates after completion 2. CodeChef Best for: Logic building and competitive mindset CodeChef is beginne...