Demantra and Oracle Demand Planning (ODP) co-existence

Is it possible for ODP and Demantra installs to coexist on the same database?  I think for the seeded Demantra/ASCP integrations to work, they need to share the database and the same is the case for ODP/ASCP integrations.  So in a scenario where some LOBs are on ODP and others on Demantra, is it possible for me to share the database between ASCP, ODP and Demantra?  Since the Demantra and ODP database schemas are separate, I feel it should be fine but I need some input on this.  Also since it seems that Demantra and ODP are using different data collection programs and the staging tables are different, the