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Debezium is a platform for implementing Change Data Capture (CDC), which allows tracking changes in databases in real-time and transmitting them to other systems.

The main idea of Debezium is to monitor the transaction logs of databases (e.g., binlog in MySQL, WAL in PostgreSQL) and convert changes (inserts, updates, deletes) into events that can be transmitted to data processing systems like Apache Kafka.

This is useful for:

• Data replication between systems
• Implementing microservice architectures with data synchronization
• Building analytics and monitoring systems
• Ensuring data consistency in distributed systems

Example: when a record in the orders table changes, Debezium records this change and sends an event to Kafka, from where other services can process it and update their data.