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Oracle database 10g:Administration I Sample Questions:

1. Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;
Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp;
Table dropped.
What happens in this scenario?

A) The table is moved to the SYSAUX tablespace.
B) The table is moved to the SYSTEM tablespace.
C) The table is renamed and remains in the TBSFD tablespace.
D) The table is removed from the database permanently.

2. You are working on an online transaction processing (OLTP) system. You notice that a PL/SQL procedure got executed twice at 2:00 p.m. This has incorrectly updated the EMP_SAL table. How would you revert the table to its state at 2:00 p.m.?

A) Issue the rollback statement with system change number (SCN).
B) Restore the entire database from the recent backup and open it.
C) Use Flashback Table feature to revert the changes.
D) Perform point-in-time recovery to 2:00 p.m.

3. View the Exhibit to observe the message received while trying to drop the SL_REP user in
Oracle Enterprise Manager.
The SL_REP user owns objects and is currently connected to the database instance. What would happen if you click YES in the Exhibit?

A) An error is returned, and the user is not dropped.
B) The user is dropped, and the objects owned by the user are transferred to the recycle bin.
C) The user is dropped successfully, and the session started by the user is killed.
D) The drop operation waits until the session started by the user ends.

4. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?

A) The backup contains only unused data blocks.
B) The backup is similar to image copy.
C) The backup contains all data blocks changed since the last incremental level 1 backup.
D) The backup contains all used data blocks.

5. In your database, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is
the impact of this setting?

A) Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAG
B) Only the timed operating system (OS) statistics and plan execution statistics are collected.
C) The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
D) The optimizer statistics are collected automatically.
E) The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.

Solutions: