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Oracle database 10g:Administration I Sample Questions:

1. A user receives the following error while executing a query:
ORA-01555: snapshot too old
Which two options can be the solutions to avoid such errors in future? (Choose two.)

A) increase the size of the default temporary tablespace
B) increase the size of redo log files
C) increase the size of the undo tablespace
D) increase the size of the Database Buffer Cache
E) enable the retention guarantee for the undo tablespace

2. View the Exhibit, and examine the alert messages.
You added space to the TEST tablespace to bring the space usage below the threshold value.
Which statement is true about the Tablespace Full alert?

A) The alert appears in Oracle Enterprise Manager Database Control until it is manually cleared.
B) The alert is cleared and transferred to the alert log file.
C) The alert is automatically cleared and sent to the alert history.
D) The alert is purged because it is a threshold alert.

3. As a result of performance analysis, you created an index on the prod_name column of the prod_det table, which contains about ten thousand rows. Later, you updated a product name in the table. How does this change affect the index?

A) A leaf row in the index will be deleted and inserted.
B) An update in a leaf row takes place.
C) The index will be updated automatically at commit.
D) A leaf will be marked as invalid.
E) The index becomes invalid when you make any updates.

4. You plan to use static database registration for a new listener when you create it. What could be the two reasons for this? (Choose two.)

A) The database that is to be registered with the listener is configured in shared server mode.
B) The Oracle Enterprise Manager is to be used to monitor an Oracle9i database.
C) The users will connect the database by using the host naming method.
D) More than one database is to be registered with the listener.
E) The listener is not configured on the default port of 1521 and the instance is not configured to register with a nondefault port.

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

Solutions: