Separate Bronze, Silver, and Gold Promises
Explain the distinct management promise of bronze, silver, and gold data layers.
Layering is not architecture theater; it is incident response before the incident. Bronze Preserves Evidence Bronze keeps what arrived from the source with minimal interpretation. Its management value is replayability and auditability. If the API stopped sending a field, bronze should let you prove that. Silver Standardizes Trust Silver handles cleaning, typing, deduplication, keys, and quality rules. It should be stable enough for multiple downstream uses but not overloaded with executive-specific metric logic. Gold Serves Decisions Gold is where business-ready metrics, aggregates, semantic models, and dashboard-facing outputs belong. The gold layer should be easy to explain because it is closest…
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