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Oracle 1Z0-147 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: PL/SQL Fundamentals | - Variables and data types - PL/SQL block structure |
| Topic 2: SQL Fundamentals | - Basic SELECT statements and filtering - Joins and set operations |
| Topic 3: Control Structures | - Loops (FOR, WHILE, LOOP) - Conditional statements (IF, CASE) |
| Topic 4: Stored Procedures and Functions | - Creation and execution - Parameters and return values |
| Topic 5: Exception Handling | - Predefined exceptions - User-defined exceptions |
| Topic 6: Advanced PL/SQL Features | - Records and complex data types - Collections (associative arrays, nested tables) |
| Topic 7: Triggers | - Trigger timing and events - DML triggers |
| Topic 8: Packages | - Package specification and body - Advantages of packages |
| Topic 9: Cursors | - Cursor FOR loops - Implicit and explicit cursors |
Oracle9i program with pl/sql Sample Questions:
1. Examine this code:
CREATE OR REPLACE FUNCTION gen_email_name
(p_first_name VARCHAR2, p_last_name VARCHAR2, p_id NUMBER)
RETURN VARCHAR2
IS
v_email_name VARCHAR2(19=;
BEGIN
v_email_name := SUBSTR(p_first_name, 1, 1) ||
SUBSTR(p_last_name, 1, 7) ||
'@Oracle.com';
UPDATE employees
SET email = v_email_name
WHERE employee_id = p_id;
RETURN v_email_name;
END;
Which statement removes the function?
A) TRUNCATE gen_email_name;
B) DROP FUNCTION gen_email_name;
C) DELETE gen_email_name;
D) REMOVE gen_email_name;
E) ALTER FUNCTION gen_email_name REMOVE;
2. 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) The STATS_EXIST_EXCEPTION has not been declared as a number.
B) Only predefined exceptions are allowed in the EXCEPTION section.
C) The STATS_EXIST_EXCEPTION has not been declared as an exception.
D) A comma has been left after the STATS_EXIST_EXCEPTION exception.
3. Which statement about triggers is true?
A) You use an application trigger to fire when a DELETE statement occurs.
B) You use a system event trigger to fire when an UPDATE statement occurs.
C) You use a database trigger to fire when an INSERT statement occurs.
D) You use INSTEAD OF trigger to fire when a SELECT statement occurs.
4. Examine this function:
CREATE OR REPLACE FUNCTION CALC_PLAYER_AVG (V_ID in PLAYER_BAT_STAT.PLAYER_ID%TYPE) RETURN NUMBER IS V_AVG NUMBER; BEGIN SELECT HITS / AT_BATS INTO V_AVG FROM PLAYER_BAT_STAT WHERE PLAYER_ID = V_ID; RETURN (V_AVG); END; Which statement will successfully invoke this function in SQL *Plus?
A) CALC_PLAYER('RUTH');
B) SELECT CALC_PLAYER_AVG(PLAYER_ID) FROM PLAYER_BAT_STAT;
C) START CALC_PLAYER_AVG(31)
D) CALC_PLAYER_AVG(31);
E) EXECUTE CALC_PLAYER_AVG(31);
5. 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: 1 Row is: 2 Row is: 3
B) ERROR at line 1:
C) Row is: 4 Row is: 5 Row is: 6
D) Row is: Row is: Rows is:
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: C,D | Question # 4 Answer: B | Question # 5 Answer: C |



