Choose ETL or ELT by Constraint

Dana is in the 9:05 a.m. moment: a cloud warehouse migration raises architecture questions. The stakes are immediate because one wrong ETL move can publish a clean looking number that people act on. The decision is not about picking the fastest visible fix. It is about choosing the move that preserves the pipeline contract, leaves evidence for the next run, and avoids creating a second truth in the target. Use the stats and options below to decide which response keeps the ETL system explainable after the pressure passes.

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