Confluent Ksql DB

ksqlDB is a streaming SQL engine provided by Confluent that runs on top of Apache Kafka. It enables real-time data processing, transformation, and analytics using simple SQL queries instead of complex programming. ksqlDB allows users to create streams and tables directly from Kafka topics and perform continuous queries on live data.

• Provides SQL-like interface for real-time stream processing on Kafka.
• Creates streams and tables directly from Kafka topics.
• Supports filtering, joining, aggregating, and transforming streaming data.
• Enables real-time analytics and event-driven applications.
• Works seamlessly with Apache Kafka ecosystem.
• Supports persistent queries for continuous data processing.
• Helps build scalable data pipelines for real-time use cases.
• Integrates with Confluent Platform tools and services.

$sudo su
$cd /opt/ksqldb-docker
$docker-compose up -d
$docker ps
$docker exec -it ksqldb-cli ksql http://ksqldb-server:8088

$-- Inside ksqlDB CLI
SHOW STREAMS;
SHOW TABLES;

  

To access ksqlDB UI/API: http://your-server-ip:8088

Disclaimer: ksqlDB is an open-source stream processing engine built on Apache Kafka. It requires Kafka and supporting services (Zookeeper or Kraft mode) to be running. Proper configuration of Docker networking, ports, and Kafka listeners is necessary for stable operation in production or development environments.