Data Virtualization

Query Across Sources

Access data without moving.

How It Works

Query federation. Optimizer pushes down predicates. Caching for performance.

Benefits

Single view. No data movement. Real-time data. Reduced duplication.

Tools

Denodo: enterprise. Apache Drill: open source. Dremio: self-service.

Key Takeaways

1. Query across systems without copying
2. Federation and pushing down
3. Dremio, Denodo options