Question 51

Flashback is enabled for your multitenant container database (CDB), which contains two pluggable database (PDBs). A local user was accidently dropped from one of the PDBs.
You want to flash back the PDB to the time before the local user was dropped. You connect to the CDB and execute the following commands:
SQL > SHUTDOWN IMMEDIATE SQL > STARTUP MOUNT
SQL > FLASHBACK DATABASE to TIME "TO_DATE ('08/20/12' , 'MM/DD/YY')";
Examine following commands:
1.ALTER PLUGGABLE DATABASE ALL OPEN;
2.ALTER DATABASE OPEN;
3.ALTER DATABASE OPEN RESETLOGS;
Which command or commands should you execute next to allow updates to the flashback back schema?
  • Question 52

    Examine the parameters for your database instance:

    Which three statements are true about the process of automatic optimization by using cardinality feedback?
  • Question 53

    You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs).
    Examine the query and its output:

    Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file?
  • Question 54

    You are administering a database stored in Automatic Storage management (ASM). The files are stored in the DATA disk group. You execute the following command:

    What is the result?
  • Question 55

    You are administering a database and you receive a requirement to apply the following restrictions:
    1.A connection must be terminated after four unsuccessful login attempts by user.
    2.A user should not be able to create more than four simultaneous sessions.
    3.User session must be terminated after 15 minutes of inactivity.
    4.Users must be prompted to change their passwords every 15 days.
    How would you accomplish these requirements?