ETL vs ELT Pipeline Concepts — Roadmap Step & Resources
Extract-transform-load vs extract-load-transform, and why the order changed with cloud warehouses
- Level: advanced
- Estimated time: 1 days
- Roadmap: Data Science
Before this step
Interview questions
- Why has ELT become more common than traditional ETL with modern cloud data warehouses?
Study resources
- ETL vs. ELT (Article) — IBM's own official comparison of ETL and ELT data pipeline patterns.
- ETL vs ELT Explained (Video) — A clear explanation of when transform-then-load beats load-then-transform.
Part of
- Big Data & Data Engineering Basics — section
- Data Science roadmap — the full learning path