n8n Merge Node Masterclass: Combine, Append & SQL

Stop struggling with fragmented data! In this tutorial, we dive deep into the n8n Merge Node to show you exactly how to sync data between different sources—using an "Items" and "Orders" sheet as our primary example. What you’ll learn in this video: The Basics: How to pull data from multiple Google Sheets simultaneously. Combine Mode: Matching data perfectly using a common key like itemid. Append vs. Combine: When to stack your data vs. when to merge it. SQL Power: Using n8n's advanced merging logic to filter and transform your output. Workflow Chapters: 0:00 Intro to the Merge Node 1:1…