ETL vs ELT — Why the 'T' Moved to the End in the Cloud Era

15 · Dmitry Narizhnykh · May 23, 2025, 7:44 p.m.
Summary
This post explains the evolving roles of ETL (Extract, Transform, Load) and ELT (Extract, Load, Transform) in the cloud computing era, highlighting the advantages of ELT enabled by cloud data warehouses. It also discusses the scenarios in which ETL remains relevant and showcases a platform, DBConvert Streams, that supports both methodologies, including custom SQL transformations during data migration.