Robin Moffatt • 10/11/2018

Flatten CDC records in KSQL

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This technical article explains how to solve a common problem when using the Kafka Connect JDBC Sink with nested CDC (Change Data Capture) data. It demonstrates using KSQL to transform and flatten nested JSON messages in a Kafka topic, making specific fields like primary keys accessible for the sink connector to write to a target database.

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#data transformation #Apache Kafka #Cdc
Flatten CDC records in KSQL

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