This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.
In this episode you will learn:
- How to choose between COUNT, COUNTA, and COUNTROWS for efficient row counting in Power BI
- The critical difference between DISTINCTCOUNT and DISTINCTCOUNTNOBLANK when dealing with blank values
- Why the DIVIDE function must be used instead of forward slash division to safely handle divide-by-zero errors
- How VAR and RETURN statements improve measure performance by evaluating expressions once in declaration context
- Common exam traps on PL-300 including variable re-evaluation nuances and parameter handling in aggregation functions
For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
