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What is CDC?

Change data capture records inserts, updates, and deletes from a source system so downstream systems can stay in sync.

ETL / Data Engineering Medium Theory

What is CDC?

Change data capture records inserts, updates, and deletes from a source system so downstream systems can stay in sync.

  • Reads transaction log or events
  • Supports near-real-time sync
  • Needs ordering and deduplication

What is CDC?