Data Catalog

Data Discovery

Central catalog for data assets.

Components

Metadata: schema, description. Search: find relevant data. Lineage: data flow. Contact: owners.

Tools

Alation, Collibra: enterprise. Amundsen, DataHub: open source. Cloud: Data Catalog (GCP), Lake Formation (AWS).

Usage

Self-service data access. Impact analysis. Compliance auditing.

Key Takeaways

1. Central metadata repository
2. Search and discover data
3. Enterprise and open source options