Q84. PDB1 and PDB2 are pluggable databases in CDB1

Posted on by Tran Anh

Q84. 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 NO
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 DATABASE pdb2 OPEN;
Pluggable database altered.
CDB1 is then restarted.

Which three are true?

  • A. PDB$SEED will be opened READ ONLY.
  • B. PDB$SEED will be MOUNTED.
  • C. PDB1 will be MOUNTED.
  • D. PDB2 will be MOUNTED.
  • E. PDB2 will be opened READ WRITE.
  • F. PDB1 will be opened READ WRITE.
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