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Data & Analytics · Intermediate

Medallion Architecture

A lakehouse design pattern that refines data progressively through Bronze (raw), Silver (cleansed) and Gold (business-ready) layers.

Definition

Each layer improves quality and structure, making data incremental, traceable and reprocessable from raw. Databricks popularized the pattern, and Microsoft Fabric recommends it for lakehouses.

Exam tip

Know what each layer holds: raw ingested data, validated and conformed data, then aggregated or modeled data for BI.

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