5 Frequently asked Interview Questions for Power BI

5️⃣ MOST Commonly Asked Power BI interview questions with brief answers📊: 1️⃣. How can you optimize the performance of a large Power BI report with complex visuals? 👉Ans: To optimize performance, you can use techniques like summarising data before importing, reducing the number of visuals, using appropriate visuals, optimising DAX calculations, & enabling query folding. 2️⃣. Explain the importance of relationships in Power BI. 👉Ans: Relationships define how tables in a data model are related. They are crucial for creating meaningful visuals & enabling features like slicers and cross-filtering. 3️⃣. How do you handle complex time intelligence calculations in DAX for irregular or non-standard fiscal calendars? 👉Ans: Handling complex fiscal calendars involves using DAX functions like TOTALYTD, SAMEPERIODLASTYEAR, & custom DAX calculations that consider fiscal year variations & irregular periods. 4️⃣. What is a Data Model in Power BI? 👉Ans: A data model is a collection of tables & relationships that enable data analysis in Power BI. 5️⃣. Explain the difference between calculated columns & measures. 👉Ans: Calculated columns are computed at the data model level, while measures are calculated on the fly in visualizations. want to learn Power BI from scratch , join this workshop : https://techtip24workshop.com/create-dashboard/ Aditi Gupta Analytics Mentor #dataanalytics #analytics #powerbi #powerbitraining #interviewquestions #interviewtips