video1.0<iframe src="https://www.loom.com/embed/15f1427156b44c37bb207358daa5956c" frameborder="0" width="1664" height="1248" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>12481664Loomhttps://www.loom.com12481664https://cdn.loom.com/sessions/thumbnails/15f1427156b44c37bb207358daa5956c-1708101751689.gif110.233In this video, I explain how to de-dupe a file using advanced ETL techniques. I demonstrate the process step-by-step, showing how to load the file, concatenate columns, and perform the de-duplication. I also discuss the impact of including or excluding certain columns in the de-duplication process. This video is essential for anyone looking to gain a deeper understanding of advanced ETL de-duplication and its implications.