GK Question

technology medium true_false

Change Data Capture (CDC) enables real-time replication of database changes to downstream systems.

  1. True
  2. False

Answer: True

CDC captures insert/update/delete operations from database logs (binlog, WAL) and streams to targets (Kafka, data lake). Enables real-time analytics, cache invalidation, and event-driven architectures. Tools: Debezium, AWS DMS. Critical for modern data integration patterns.

Topic Data Engineering
Exam Relevance Banking, SSC JE, UPSC
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