Good references are Apache NiFi JIRA pages. Great starting point for Apache NiFi can be Apache NiFi Videos and video Build a Simple Flow - Part1.
Add CLOB and NCLOB support to PutSQL and ExecuteSQL. nifi oracle, Apache NiFi supports powerful and scalable directed graphs of data routing, transformation, and system mediation logic.Check the Apache nifi site for downloads or any nifi version or for current version docs. For other nifi versions, please reference our default processors post.