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ksqldb
ksqlDB is an event streaming database.
Up and Running
$ docker-compose up -d
$ curl http://127.0.0.1:8088/info
$ docker-compose exec ksqldb-cli ksql http://ksql-server:8088
>>> CREATE TABLE products (product_name VARCHAR, cost DOUBLE)
WITH (kafka_topic='products', partitions=3, value_format='json');
>>> CREATE STREAM products_changelog AS
SELECT * FROM products EMIT CHANGES;
>>> SHOW TOPICS;
>>> SHOW TABLES;
>>> SHOW STREAMS;
Docs
- ksql: https://docs.confluent.io/current/ksql/docs/index.html
- ksql-server: https://docs.confluent.io/current/ksql/docs/installation/server-config/index.html
- ksql-cli: https://docs.confluent.io/current/ksql/docs/installation/cli-config.html
- connector: https://docs.ksqldb.io/en/latest/concepts/connectors/