Alex Merced • 2/19/2026

Data Modeling for the Lakehouse: What Changes

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This article details the shift in data modeling from traditional RDBMS to lakehouse architectures. It explains how schema-on-read, open table formats (e.g., Apache Iceberg), and the Medallion Architecture (Bronze, Silver, Gold layers) change modeling mechanics, offering flexibility and engine portability while placing responsibility for integrity on pipelines and views.

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#Data Modeling #Apache Iceberg #Lakehouse
Data Modeling for the Lakehouse: What Changes

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