Merging Tables in Power Query: The Modern Lookup Guide

Combine datasets reliably without writing fragile lookup formulas. This text-based guide teaches you how to transform, combine, and clean structured data using Power Query's built-in merge capabilities. You will start with essential terminology and data connection fundamentals before advancing to practical table joins and automated data transformations. By understanding different join types and transformation logic, you will build reliable data pipelines that eliminate repetitive manual lookups. What you will learn: Understand foundational concepts, interface elements, and data modeling terminology in Power Query. Connect and import tabular data from multiple sheets and external sources. Master various join kinds including inner joins, left outer joins, and anti-joins to combine datasets accurately. Clean and reshape columns, handle missing values, and structure tables for downstream reporting. Apply merge and append operations to automate recurring data consolidation tasks. Troubleshoot common data mismatch errors and optimize refresh performance. The course begins with core terminology and query settings before walking step-by-step through practical merge scenarios and real-world table transformations. Designed for complete beginners and spreadsheet users looking to modernize their data workflows without needing prior query experience. Start reading today to streamline your data transformation workflows.