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ETL-BASICS5 MIN READ

Data Quality Check Cards

Apply quality checks in a real ETL workflow.

What is the first question for quality checks? Which contract proves dimension names, owners, and failure handling? Start with evidence before edits. recall Reflex versus professional move The professional move protects tomorrow, not just the current screen. compare Can we just patch it now? A stakeholder is frustrated because a row count passes but freshness fails. Your line I can move quickly, but I need to verify dimension names, owners, and failure handling first so the next run does not undo or duplicate the fix. Patches without contract evidence create a second truth. It acknowledges urgency while protecting the pipeline.…

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