Medallion Architecture Explained

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Illustrative architecture. Outcome labels in the supplied artwork describe possible aims, not verified client results or guarantees. Use the design considerations below when interpreting the pattern.

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Medallion layer responsibilities, operations and the flow from raw source data to analytics consumption.

Illustrative reference architecture. Open original image ↗

Separate source records from business products

Raw data, quality improvements and business-ready outputs have different responsibilities. The diagram shows how those responsibilities can be expressed in a Medallion design.

Design consideration: The number of copies, refresh cadence and transformation approach should fit the workload, not a fixed diagram.

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