Configuration file:
<path-to-confluent>\etc\kafka-connect-jdbc''
Jar
Driver
https://github.com/mmolimar/ksql-jdbc-driver
Release
confluentinc/kafka-connect-jdbc/releases
or
the confluent repo
Documentation / Reference
https://docs.confluent.io/current/connect/connect-jdbc/docs/source_connector.html#quickstart
confluentinc/kafka-connect-jdbc