Comparisons

ETL vs ELT vs Reverse ETL Explained

Venn Diagrams · made in Skemio

A 3-set Venn diagram contrasting ETL, ELT, and Reverse ETL, highlighting pre-load transformations, warehouse-first computation, and operational CRM synchronization.
A 3-set Venn diagram contrasting ETL, ELT, and Reverse ETL, highlighting pre-load transformations, warehouse-first computation, and operational CRM synchronization.
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What it shows

  • ETL transforms data before loading, ideal for strict privacy and compliance.
  • ELT loads raw data first, using cloud warehouse scale for transformation.
  • Reverse ETL syncs warehouse models back into CRMs and operational apps.

The takeaway

ELT centralizes analytics in the warehouse, while Reverse ETL activates that data directly in business tools.

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