Choose the best answer.
Examine this configuration:
1-. CDB1 is an Oracle Database 12c Release 2 container database (CDB).
2-. PDB1 and PDB2 are two pluggable databases (PDBs) in CDB1.
After successfully performing all the preupgrade tasks you execute these
Commands from the Oracle Database 18c environment:
$ export ORACLE_SID=cdb1
$ sqlplus / as sysdba
SQL> STARTUP UPGRADE;
SQL> SHOW pdbs
CON_ID CON_NAME OPEN MODE RESTRICTED
---------------------------------------------------------------
2
3
4
PDB$SEED
PDB1
PDB2
MIGRATE
MOUNTED
MOUNTED
YES
YES
YES
SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN UPGRADE;
Pluggable database altered.
SQL> exit
$ $ORACLE_HOME/perl/bin/perl catctl.pl -C 'PDB2'
What is the outcome?
A.It fails because PDB$SEED is in MIGRATE state. B.Only CDB$ROOT PDB$SEED and PDB1 are upgraded. C.Only CDB$ROOT PDB$SEED and PDB2 are upgraded. D.It fails because PDB2 is not in UPGRADE state. E.CDB$ROOT PDB$SEED PDB1 and PDB2 are upgraded. F.Only CDB$ROOT and PDB$SEED are upgraded.正确答案B
