問題文
A software vendor wants one place inside a container database where the shared tables and the shared code of its product live so that several tenant databases can use them. Which structure provides that?
選択肢
- An application seed holds the shared objects and the tenants copy them at creation time which leaves each one with an independent version.
- A proxy pluggable database holds the shared objects and the tenants forward their statements to it which lets one copy answer all of the requests.
- The CDB root holds the shared objects and the tenants reach them through metadata links since every object created in the root becomes visible to each tenant of the container.
- An application root holds the shared objects and the tenants created inside it as application pluggable databases inherit whatever the vendor marks as shared.