为自己加油

Your SALES_ROOT application container has two application PDBs. 

The SALES_APP application has a common table, FIN.REVENUE, in the two PDBs.

Examine this query and its output:

Which two are true? (Choose two.)

A.
The CONTAINERS clause cannot be used in queries on the REVENUE table.
B.
The REVENUE table must be a list-partitioned table.
C.
The MAPTABLE tables defines a logical partition key on a commonly used column for the REVENUE table.
D.
The MAPTABLE table is a metadata-linked table.
E.A container map exists for the REVENUE table, but is not enabled.
F.The REVENUE table partitions are not pruned across the PDBs automatically.