Tech Talks Aug 12, 2025Updated: Dec 06, 2025
Governance and quality with Bronze-Silver-Gold layers
Lakehouse architecture with layers of Medallion (Bronze-Silver-Gold); Practical ways to strike a balance of quality, cost and speed.
“Combine data warehousing discipline with data lake flexibility with Lakehouse.”
Lakehouse and Medallion Architecture
Lakehouse approach to modern analytics; It combines the discipline of a data warehouse with the flexibility of a data lake.
Layers
- Bronze: raw data, schema-on-read
- Silver: cleaned and consolidated data
- Gold: tables optimized for business units
Good Practices
- Data lineage and quality metrics
- Per-tier lifecycle policies for cost
The result: a scalable, auditable, and flexible analytics platform.
