What are the roles of CMDB database schemas? (Select two.)

A.
to store only the system-wide and management-related metadata for the UCMDB environment

B.
to store configuration information that is gathered from the various CMDBs and from the
UCMDB application

C.
to store CI changes over a time range

D.
to store saved snapshots of the views

E.
to store the information that is gathered from third-party applications and tools