# Design a medallion architecture with three layers

Canonical URL: <https://datadriven.io/problems/design-a-medallion-architecture-with-three-layers-create-a-49761a02>

Domain: Data Modeling · Difficulty: medium

## Problem

Design a medallion architecture with three layers. Create a bronze_raw_events table (raw ingestion), a silver_cleaned_events table (cleaned/validated), and a gold_daily_metrics table (business-level aggregates).

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