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ETL vs ELT

ETL transforms before loading, while ELT loads raw data first and transforms inside the warehouse later.

ETL / Data Engineering Easy Theory

ETL vs ELT

ETL transforms before loading, while ELT loads raw data first and transforms inside the warehouse later.

  • ETL fits strict downstream schemas
  • ELT fits scalable warehouses
  • Tooling and cost model differ
#data-engineering #etl #pipelines

ETL vs ELT