KSQL is the open-source, Apache 2.0 licensed streaming SQL engine on top of Apache Kafka from Confluent. KSQL makes stream processing available to everyone. Even though it is simple to use because there is no need to write source code, KSQL is built for mission-critical and scalable production deployments (using Kafka Streams under the hood).
The following video shows a live demo using Delimited, JSON and Avro data to create STREAMs and TABLEs for continuous stream processing of events in Apache Kafka:
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