Oracle 12c Architecture

Oracle Database 12c: Architecture Diagram

Database Architecture Diagram for Oracle Database 12c(cloud) on Oracle Education's website. It lists all the processes and the relationship between processes and other database components.

Multitenanat Architecture:

Multiple tenants share same resources on a mutual benefit for different purposes at a very broad level. The same applies to Oracle Database where Multiple Databases share a single instance of resources aiming for different purposes on the same Server. This Oracle Database which is built on Multitenant foundation is called Container Database(CDB), and each container(tenant) residing inside is called Pluggable Database(PDB, Container).