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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. You create a DML trigger. For the timing information, which is valid with a DML trigger?

A) INSTEAD
B) ON SHUTDOWN
C) DURING
D) ON STATEMENT EXECUTION
E) BEFORE

2. Given a function CALCTAX:
CREATE OR REPLACE FUNCTION calctax (sal NUMBER) RETURN NUMBER
IS
BEGIN
RETURN (sal * 0.05);
END;
If you want to run the above function from the SQL *Plus prompt, which statement is true?

A) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX;
B) You need to execute the command EXECUTE FUNCTION calctax;.
C) You need to create a SQL *Plus environment variable X and issue the command EXECUTE :X := CALCTAX(1000);
D) You need to execute the command CALCTAX(1000);.
E) You need to create a SQL *Plus environment variable X and issue the command :X := CALCTAX(1000);.

3. You have a table with the following definition:
CREATE TABLE long_tab
(id NUMBER);
long_col LONG)
You need to convert the LONG_COL column from a LONG data type to a LOB data type. Which
statement accomplish this task?

A) EXECUTE utl_lob.migrate(long_tab, long_col, clob)
B) EXECUTE dbms_lob.migrate(long_tab, long_col, clob)
C) EXECUTE utl_manage_lob.migrate(long_tab, long_col, clob)
D) EXECUTE dbms_manage.lob.migrate(long_tab, long_col, clob)
E) ALTER TABLE long_tab MODIFY (LONG_COL CLOB);

4. Which four triggering events can cause a trigger to fire? (Choose four)

A) A user executes a CREATE or an ALTER table statement.
B) A specific error or any errors occurs.
C) A specific user or any user logs on or off.
D) A database is shut down or started up.
E) A user executes a JOIN statement that uses four or more tables.
F) A user executes a SELECT statement with an ORDER BY clause.

5. Examine this procedure:
CREATE OR REPLACE PROCEDURE DELETE_PLAYER (V_ID IN NUMBER) IS BEGIN
DELETE FROM PLAYER
WHERE ID = V_ID;
EXCEPTION
WHEN STATS_EXITS_EXCEPTION
THEN DBMS_OUTPUT.PUT_LINE
('Cannot delete this player, child records exist in PLAYER_BAT_STAT table');
END;
What prevents this procedure from being created successfully?

A) A comma has been left after the STATS_EXIST_EXCEPTION exception.
B) Only predefined exceptions are allowed in the EXCEPTION section.
C) The STATS_EXIST_EXCEPTION has not been declared as a number.
D) The STATS_EXIST_EXCEPTION has not been declared as an exception.

Solutions: