Tag: databases

Questions Related to databases

  1. A role can contain both system and object privileges.

  2. A role cannot be assigned external authentication.

  3. A role can be granted to itself.

  4. Roles are owned by the SYS user.

  5. Roles can be granted to other roles


Correct Option: A,E
  1. alter session set idle_timeout=30;

  2. alter session set idle_timeout=1800;

  3. alter profile limit idle_time 30;

  4. alter profile set idle_timout 30;


Correct Option: C
  1. The database services to be registered with the listener

  2. The log file and trace file destination for the listener.

  3. The protocol used by the listener

  4. The server name where the listener runs.

  5. The port used by the listener.


Correct Option: C,D,E
  1. Setting the initialization parameter NO_PASSWORD_REUSE to TRUE

  2. Altering that user’s profile to UNLIMITED for PASSWORD_REUSE_TIME and 1 for PASSWORD_REUSE_MAX

  3. Altering that user’s profile to UNLIMITED for both PASSWORD_REUSE_TIME and PASSWORD_REUSE_MAX

  4. Using a password verify function to record the new password and compare the new passwords to those recorded previously


Correct Option: B
  1. Set the initialization parameter PASSWORD_COMPLEXITY to ALPHANUM.

  2. Alter that user’s profile setting PASSWORD_COMPLEXITY to ALPHNANUM.

  3. Alter the user’s profile to use a password verify function that performs REGEX comparisons to validate the password.

  4. There is no mechanism that lets you prevent an all-numeric password


Correct Option: C
  1. Extents would be managed by freelists.

  2. Free space would be managed by data dictionary.

  3. The segment would be managed by bitmaps.

  4. The segment would be managed by freelists.


Correct Option: C
  1. Object level.

  2. Row level.

  3. Block level.

  4. Schema level.

  5. Database level.


Correct Option: A,B
  1. Loss of the initialization parameter file.

  2. One of the redo log members.

  3. Any data file belonging to the default permanent tablespace

  4. Any archive log file.

  5. Any control file.


Correct Option: E