Data Integration and Governance
Sep 4, 2026 · Big Data
ETL vs ELT vs ETLT: Where Should Data Transformation Live?
This article explains the core differences between ETL, ELT, and ETLT data integration patterns, emphasizing that the key distinction is where transformation occurs—before or after loading—and provides five decision criteria for choosing the right approach based on data latency, raw data retention, compute costs, and business logic volatility.
Data IntegrationData PipelineELT
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