Data transformation in Data Engineering is a key step in data pipelines, often part of:
- ETL (Extract, Transform, Load) ETL: Data is transformed before loading into the target system.
- ELT (Extract, Load, Transform) ELT: Data is loaded first, then transformed for analysis.
- EtLT (Extract, “tweak”, Load, Transform: A hybrid approach combining elements of ETL and ELT.
Related:
- ETL vs ELTfor a comparison.