Master Dimensional Modeling Lesson 03 - Understand the ETL Pipeline
Summary
The video explains the typical stages of a data warehouse ETL pipeline, including pre-staging (raw data), staging (cleaned data), operational data store (snapshot), and data mart (star schema). It also details the benefits of having multiple stages, such as easier debugging, data recovery, and auditability, and how this maps to the Medallion Architecture (Bronze, Silver, Gold).
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