Describe medallion architecture

 Data lakehouses in Fabric are built on the Delta Lake format, which natively supports ACID (Atomicity, Consistency, Isolation, Durability) transactions. Within this framework, the medallion architecture is a recommended data design pattern used to organize data in a lakehouse logically. It aims to improve data quality as it moves through different layers. The architecture typically has three layers – bronze (raw), silver (validated), and gold (enriched), each representing higher data quality levels. Some people also call it a "multi-hop" architecture, meaning that data can move between layers as needed.

This architecture ensures that data is reliable and consistent as it goes through various checks and changes. It also guarantees that the data is safely stored in a way that makes it easier and faster to analyze.

The medallion architecture complements other data organization methods, rather than replacing them. You can think of the medallion architecture as the framework for data cleaning, rather than a data architecture or model. It ensures compatibility and flexibility for businesses to adopt its benefits alongside existing data models, allowing you to customize data solutions and preserve expertise while remaining adaptable in the ever-changing data landscape.



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