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Oracle9i program with pl/sql Sample Questions:

1. Consider this scenario
A procedure X references a view Y that is based on a table Z .
Which two statements are true? (Choose two.)

A) Y is a referenced object
B) Y is an indirect dependent of X
C) Y is an indirect dependent of Z
D) Z is a direct dependent of X
E) Y is a direct dependent of X
F) Z is an indirect dependent of Y

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

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

3. The creation of which database objects will cause a DDL trigger to fire? (Choose all that apply)

A) Dimensions
B) Package
C) Function
D) Cluster
E) Index
F) Database links
G) Synonyms

4. Examine this package:
CREATE OR REPLACE PACKAGE pack_cur
IS
CURSOR c1 IS
SELECT prodid
FROM product
ORDER BY prodid DESC;
PROCEDURE proc1;
PROCEDURE proc2;
END pack_cur;
/
CREATE OR REPLACE PACKAGE BODY pack_cur
IS
v_prodif NUMBER;
PROCEDURE proc1 IS
BEGIN
OPEN c1;
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' || c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 3;
END LOOP;
END proc1;
PROCEDURE proc2 IS
BEGIN
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' ||c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 6;
END LOOP;
CLOSE c1;
END proc2;
END pack_cur;
/
The product table has more than 1000 rows. The SQL*Plus SERVEROUTPUT setting is turned on
in your session.
You execute the procedure PROC1 from SQL *Plus with the command:
EXECUTE pack_cur.PROC1;
You then execute the procedure PROC2 from SQL *Plus with the command:
EXECUTE pack_cur.PROC2;
What is the output in your session from the PROC2 procedure?

A) Row is: Row is: Rows is:
B) Row is: 1 Row is: 2 Row is: 3
C) ERROR at line 1:
D) Row is: 4 Row is: 5 Row is: 6

5. You need to remove the database triggerBUSINESS_HOUR.Which command do you use to remove the trigger in the SQL *Plus environment?

A) DROP TRIGGER business_hour;
B) REMOVE TRIGGER business_hour;
C) DELETE TRIGGER business_hour;
D) DELETE FROM USER_TRIGGERS
WHERE TRIGGER_NAME = 'BUSINESS_HOUR';
E) ALTER TRIGGER business_hour REMOVE;

Solutions: