Choose three.
PDB1 and PDB2 are pluggable databases in CDB1.
Examine these commands:
$ export ORACLE_SID=CDB1
$ sqlplus / as sysdba
SQL> STARTUP
.......
Database opened.
SQL> SHOW PDBS
CON_ID CON_NAME OPEN MODE RESTRICTED
--------------------------------------------------------------------
2 PDB$ SEED READ ONLY
3 PDB1 MOUNTED
4 PDB2 MOUNTED
SQL> ALTER PLUGGABLE DATABASE pdb1 OPEN;
Pluggable database altered.
SQL> ALTER PLUGGABLE DATABASE pdb1 SAVE STATE;
Pluggable database altered.
SQL> ALTER PLUGGABLE DATABASE pdb1 CLOSE;
Pluggable database altered.
SQL> ALTER PLUGGABLE A DATABASE pdb2 OPEN;
Pluggable database altered.
CDB1 is then restarted.
Which three are true?
A.PDB2 will be opened READ WRITE. B.PDB1 will be opened READ WRITE. C.PDB1 will be MOUNTED. D.PDB$SEED will be opened READ ONLY. E.PDB$SEED will be MOUNTED. F.PDB2 will be MOUNTED.正确答案BDF
