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Oracle database 10g:Administration I Sample Questions:

1. You want to set up the Oracle Database 10g installation to follow the French language, with France as the territory, and the date to be displayed in French for all users' sessions. Which environmental variable would you set to achieve this objective?

A) NLS_TERRITORY
B) NLS_LENGTH_SEMANTICS
C) NLS_CHARACTERSET
D) NLS_LANGUAGE
E) NLS_NCHAR_CHARACTERSET
F) NLS_LANG
G) NLS_DATE_LANGUAGE

2. The junior DBA in your organization has accidentally deleted the alert log file. What will you do to create new alert log file?

A) Change the value for the BACKGROUND_DUMP_DEST parameter.
B) You have to recover the alert log file from the valid backup.
C) No action required.The file would be created automatically by the instance.
D) Create the new text file file as ALERT.LOG.

3. View the Exhibit and analyze the CREATE TABLE statements used to create the ITEMS and ORDERS tables.
The ITEMS table has 50 rows and ORDERS table has 500 rows. Because you decide to not deal with the item code 188 in future, you execute the following command to remove the item:
SQL> DELETE FROM items WHERE item_code=188;
What is the effect of this command?

A) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are also deleted automatically.
B) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the foreign key constraint is disabled in the ORDERS table.
C) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are populated with
NULL values in their ITEM_CODE columns.
D) The command fails with integrity violation error.

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

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

Solutions: