📖 Overview
Learn how to ingest, clean, and transform data using Power Query.
🔍 What You’ll Learn
- Connecting to data sources (Excel, SQL, APIs)
- Data cleaning and shaping
- Query folding and performance optimization
- M language fundamentals
🎯 Outcome
Transform raw data into analytics-ready datasets.
💡 Exam Tip (PL-300 Pattern):
👉 Understand when query folding breaks—critical for performance questions.