Power Query Complete Course — Day 3 Lecture Notes
Power Query Complete Course — Day 3 Lecture Notes Instructor: Sujeet Kumar (IPT Excel School) Core Focus: Data Consolidation, Merging, Appending, and Managing Big Data (Millions of Rows) 🔗 For more info watch: Power Query Complete Course: Day 3 Video Tutorial https://youtu.be/_hFnqqR10qM 1. Merge Queries (Creating Table Relationships) The Problem Concept Often, data entry operators separate structural information to save space and time. For instance, a main Sales Table might only contain generic IDs like a Product ID (PID) or a Customer ID (CID), while the exact item descriptors, prices, and client profiles reside in separate Product Tables or Customer Tables . The Solution: Power Query Merge Instead of writing complex and resource-heavy Excel VLOOKUP or XLOOKUP formulas across sheets, Power Query utilizes Merge Queries to stitch data tables together horizontally. Step-by-Step Execution: Import Tables: Open a new Exc...