| Layer | Main guarantees | What is still not guaranteed | Mainly interesting for |
|---|---|---|---|
| Bronze | Data is captured; source fidelity is preserved as much as possible; lineage is possible; replay and recovery are possible; ingestion timing is visible | Clean semantics, stable meaning, deduplicated business entities, reporting-safe metrics | Data Engineers, platform teams, sometimes Data Scientists |
| Silver | Data is structurally more stable; types and formats are controlled; key entities are more usable; basic quality checks are applied; integration is easier | Final business interpretation, fully stable metrics, universal reporting readiness, full semantic agreement | Data Engineers, Analytics Engineers, Data Scientists, advanced analysts |
| Gold | Data is prepared for consumption; metrics and dimensions are more stable; meaning is clearer; business interpretation is more consistent | Absolute immutability, perfect completeness, suitability for every ad hoc case, independence from future business changes | BI Developers, Business Analysts, Business Users, decision makers |
Last active
March 22, 2026 11:12
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