Copyright © 1996, 2015, Oracle and/or its affiliates. All rights reserved.
This illustration shows a materialized view site, mv2.example.com, based on another materialized view site, mv1.example.com, which is connected to master site orc1.example.com. Three master sites (orc1.example.com, orc2.example.com, and orc3.example.com) communicate with each other.