Change Data Capture
Change Data Capture — A data-integration technique that captures committed database changes and exposes them as an ordered stream for downstream consumers.
Consistency and Processing Boundary
CDC exposes changes after they occur in a source system; it does not automatically provide exactly-once consumption, schema compatibility, or business-event semantics.
Related Data-System Concepts
- Write-Ahead Log
- Transactional Outbox
- Replication
- Event Streaming