What is ksqlDB?
ksqlDB is a database that's purpose-built for stream processing applications. ksqlDB it is not a SQL database, it provides an extra layer for implementing kstream, ktable and connectors through a language (ksql) based on sql.
Run ksqlDB
Check if it's up:
http ksqldb:8088/info
One line shell interaction:
ksql -e "SHOW STREAMS;" http://ksqldb:8088
Interactive ksqlDB shell:
ksql http://ksqldb:8088
Then enter SHOW STREAMS;
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