Walk From Raw Source to Trusted Metric
Apply trusted metric chain in a real ETL workflow.
daily active customers becomes a board metric creates pressure to act quickly. The pipeline needs a fix that survives the next run. trusted metric chain decision path Use raw source, conformed identity, business definition, and load evidence to decide the next move. Do not change target truth until the contract is clear. 01 Scope 02 Fix 03 Fresh case CEO sees the symptom: daily active customers becomes a board metric. What should happen first? The broken boundary is now identified. Which fix is strongest? A new pipeline has the same trusted metric chain risk but a different source. What transfers…
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