Database Reference
In-Depth Information
Review Questions
1. In the Oracle 12 c multitenant architecture, which of the following accurately describes
the relationship between PDBs and CDBs?
A. A PDB can exist across multiple CDBs.
B. Many CDBs can exist across multiple PDBs.
C. Many CDBs can exist in a single PDB.
D. Many PDBs can exist in a single CDB.
E. All of the above.
2. Which of the following statements is true regarding the number of user-created pluggable
databases per CDB?
A. A maximum of 252 user-created PDBs per CDB
B. A maximum of 253 user-created PDBs per CDB
C. A maximum of 252 CDBs per user-created PDB
D. A maximum of 253 CDBs per user-created PDB
3. Which of these formats represents the correct command to create a PDB using SQL*Plus?
A. CREATE PDB DATABASE pdb3 ADMIN USER pdb3_admin IDENTIFIED BY system03;
B. CREATE PLUGGABLE DATABASE pdb3 ADMIN USER pdb3_admin IDENTIFIED BY
system03;
C. CREATE PLUGGABLE DATABASE pdb3 SYSTEM USER pdb3_admin IDENTIFIED BY
system03;
D. None of the above
4. Which of the following statements is true concerning the Oracle multitenant
architecture?
A. It is available beginning with Oracle 11 g and expanded in Oracle 12 c .
B. It supports multiple PDBs within one CDB that spans multiple platforms.
C. It allows the DBA to shut down a CDB but keep tenant PDBs active.
D. It allows the DBA to host multiple releases of the Oracle Database within one CDB.
E. None of the above.
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