Github user oxygen311 commented on the issue:
https://github.com/apache/zeppelin/pull/3064
@zjffdu
The user can transfer data not only from one database to another, but from
flat files and interpreters, which are not available in the python (e.g. SAP).
Sending data through `ResourcePool` is not as effective as native methods,
but can cover up to 80% of user needs.---
