Tiers of one dataset by quality level, from raw landing zone to archive.
1 medallion architecture examples
Five-tier medallion architecture
Raw, anonymised, staging, aggregated and archive tiers of one survey dataset.
Each tier is the same data at a different quality level, and each card says what it holds, who writes it and how. The aggregated tier is focal because that is what the business reads, and the archive promotion is dashed.