📖 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.

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