为自己加油

Choose the best answer. Examine this output of an export from the

Current release of an Oracle multitenant database:

$ sqlplus system/oracle .

SQL> col name for a10

SQL> select name, open_mode from v$pdbs;

NAME

OPEN_MODE

---------------------------------------

PDB$SEED

READ ONLY

PDB1

READ WRITE

PDB2

MOUNTED

SQL> exit

Next you execute:

$ expdp system/oracle full=y

What is the outcome?

A.
It fails because Data Pump cannot be used while connected to the root
Container.
B.
It creates a full export of the root container and PDB1.
C.
It creates a full export of the root container and all PDBs.
D.
It creates a full export of the root container and all open PDBs.
E.It creates a full export of only the root container.