You can download the data here: https://drive.google.com/file/d/1P4BAZnpCY-knMt5HFfcx3onVjykYt3et/view?usp=sharing
This is a repository to build the dockers which will be used in the tuturial.
Blog: https://flink.apache.org/2020/07/28/flink-sql-demo-building-e2e-streaming-application.html