Design a medallion architecture with three layers

A medium Data Modeling interview practice problem on DataDriven. Write and execute real data modeling code with instant grading.

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).

Practice This Problem

Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.