Intermediate Power Query for Power BI

In Intermediate Power Query for Power BI, Greg Trzeciak helps you move past basic cleanup and start building more robust, scalable data preparation workflows. You’ll learn how to handle messier, real-world datasets, apply more advanced transformation patterns, and structure queries so they’re reusable and easier to maintain. This course focuses on sharpening your Power Query instincts, not just which buttons to click. You’ll also explore techniques that improve reliability and performance, including smarter combining strategies, better handling of errors and missing values, and organizing queries for larger projects. Greg walks through patterns that help you automate repetitive prep work, reduce manual steps, and keep your transformations understandable for both you and your team. By the end, you’ll be able to build cleaner, more durable Power Query solutions that scale with your reporting needs.