官网详解:
https://ci.apache.org/projects/flink/flink-docs-release-1.12/zh/dev/table/connectors/jdbc.html
https://ci.apache.org/projects/flink/flink-docs-release-1.13/zh/docs/connectors/table/jdbc/
https://github.com/ververica/flink-cdc-connectors
参考: