ksqlDB & Kafka Streams
ksqlDB
To connect to the ksqlDB cluster , navigate to the 'CLI instructions' section in the ksqlDB cluster menu. Detailed instructions on how to connect to ksqlDB can be found there.

show topics;

create stream

with ksqlDB , I can create another streams for order and view product on the web activities topic

To get completed order from order stream

To get what are the products being view on eCommerce portal by view_product stream