(A very important feature of Flink is that it provides good fault recovery capability, and the performance of Flink has been greatly improved this time. The new version of Flink 1.12 has opened another wave of technology updates. After a brief introduction to Flink advanced case course, we will soon enter the actual deployment and high-level development. The course contents include Flink installation and deployment, introductory practice cases, preliminary exploration of Flink principles, stream processing teaching, Flink advanced API and Flink table SQL cases, Flink advanced features and new features, Flink multilingual development, Flink monitoring and optimization.)