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 and pdb1.
C.
It creates a full export of the root 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