Gunnar Morling • 3/13/2024

A Taxonomy Of Data Change Events

This technical article provides a taxonomy of data change events used in Change Data Capture (CDC) systems like Debezium. It explains and compares three event types: Full events (containing the complete record state), Delta events (containing only mutated fields), and Id-only events (containing just the record's primary key). The post discusses their structures, use cases in real-time ETL, microservices data exchange, and audit logging, and how they are generated from database operations.

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#change data capture #database #real-time