external database select insert

Using external database in form (SELECT and INSERT data)

We have a rather peculiar case study.

Our application, needs to load some data from external databases while also keeping information in the default HBase database.

Some data that are to be loaded are in the form of lookups.

To be more concrete, we have Customers, each having a status (Active, Interested, Not interested), and also living in a City.

Our Business Data Model, is:

Notifications