Introduction to the Medallion Architecture

In this video, Carmel Eve provides a comprehensive introduction to the Medallion Architecture, a widely-adopted data design pattern for modern data platforms.

What You'll Learn

This video covers the three-tier architecture pattern that helps organizations structure their data lakes and lakehouses effectively:

• Bronze Tier: Raw data ingestion and historical archiving
• Silver Tier: Data transformation, validation, and cleaning
• Gold Tier: Business-ready data optimized for specific use cases

Key Topics Covered

• The difference between ETL and ELT approaches
• How to transform various data formats (JSON, XML, CSV) into tabular structures
• Schema validation and data quality considerations
• When to combine data sources vs. keeping them separate
• Creating multiple data projections for different reporting needs
• Best practices for organizing data by domain and use case

Who This Video Is For

This video is ideal for:

• Data engineers building modern data platforms
• Data architects designing lakehouse architectures
• IT professionals working with Azure, Databricks, or similar platforms
• Anyone interested in understanding data design patterns

Chapters

• 00:00 Introduction to Medallion Architecture
• 00:50 Understanding the Bronze Tier
• 01:46 Transforming Data in the Silver Tier
• 04:51 Creating the Gold Layer
• 06:43 Conclusion and Next Steps