Power BI Interview Questions You MUST Know in 2026

Preparing for a Power BI interview Questions in 2026? We've got you covered! In this video, we break down the most commonly asked Power BI interview questions along with expert answers to help you ace your interview with confidence. 🔴 Become a Data Analyst with Industry Top Mentors: Over 120+ Hrs. Live Sessions, 5+ Projects, and Jam Sessions & More 👉 Apply Now: https://www.wscubetech.com/data-analy... Timestamps: 00:00 - Introduction 01:32 - What is the difference between Measures and Calculated Columns? 02:55 - Explain Row-Level Security (RLS) and how you can implement it. 03:44 - Can you explain how to create a DAX measure in Power BI to calculate year-over-year growth? 05:21 - How would you handle missing dates in Power BI? 07:03 - Append vs. Merge in Power BI – What is the difference? 09:44 - How would you optimize slow Power BI reports? 11:07 - Explain data modeling and the concept of cardinality. 12:42 - What is the difference between Import and Direct Query modes? Which one would you choose for large datasets? 14:00 - What is the difference between SUM and SUMX in DAX? 15:43 - What is the difference between Power BI Desktop and Power BI Service? WsCube Tech is a Vernacular Upskilling platform revolutionizing the way you learn and develop your career skills.🚀 WsCube Tech stands out as a leading EdTech platform, offering comprehensive education in Python, Machine Learning, and various Data Science skills. Our approach involves both online and classroom training, featuring hands-on projects delivered practically by seasoned industry experts. With WsCube Tech, you'll gain hands-on skills that make you globally competitive. Our courses are designed to prepare over 100 million career aspirants for the 'Bharat' of the future. 😊 👉 Want to learn and acquire skills in English? Visit WsCube Tech English channel: https://bit.ly/2M3oYOs 📌 𝗩𝗼𝘁𝗲 𝗳𝗼𝗿 𝗼𝘂𝗿 𝗻𝗲𝘅𝘁 𝘃𝗶𝗱𝗲𝗼: https://bit.ly/share-topic-ideas Watch Now our Trending App Development Playlist & Videos: 👉 Learn Python Programming in One Video -    • PYTHON Full Course for Beginners in 16 Hou...   👉 DSA Full Course -    • DSA Full Course with Practical in 9 Hours ...   👉 20 Python Projects in One Video -    • Top 20 Python Projects for Beginners to Ad...   👉 Excel Full Course for Data Analysis -    • Excel Full Course for Data Analysis with P...   For any queries, call us on: +91-7878985501 ✅ CONNECT WITH THE FOUNDER (Mr. Kushagra Bhatia) - 👉 Instagram -   / kushagrabhatiaofficial   👉 LinkedIn -   / kushagra-bhatia   👉 Facebook -   / kushagrawscubetech   Connect with WsCube Tech on social media for the latest offers, promos, job vacancies, and much more: 😄 Facebook:   / wscubetech.india   🐦 Twitter:   / wscubetechindia   📱 Instagram:   / wscubetechindia   👨🏻‍💻 LinkedIn:   / wscubetechindia   🔺 Youtube: http://bit.ly/wscubechannel 🌐 Website: http://wscubetech.com -------------------------------------| Thanks |-------------------------- #Powerbi #powerbiinterviewquestions #powerbideveloper