Oracle 1Z0-147 Exam Questions : Oracle9i program with pl/sql

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Examine this code CREATE OR REPLACE FUNCTION change_dept (p_old_id NUMBER, p_deptname VARCHAR2) RETURN NUMBER IS V_new_id NUMBER; BEGIN SELECT departments_seq.nextval INTO v_new_id FROM dual; UPDATE departments SET departmenet_id = v_new_id, Department_name = p_deptname WHERE department_id = p_old_id; Return v_new_id; END; /
There are no foreign key integrity constraints on the EMPLOYEES and DEPARTMENTS tables. Which statement performs a successful update to the EMPLOYEES table?

A) UPDATE employees
SET department_id = change_dept(10, 'Finance')
Where department_id = 10;
B) UPDATE employees
SET department_id = change_dept(10, 'Finance')
Where department_id = DEPARTMENTS:CURRVAL;
C) UPDATE departments
SET department_id = change_dept(10, 'Finance')
Where department_id = 10;
D) UPDATE departments
change_dept(270, 'Outsource')
Where department_name = 'payroll';

2. Examine this package:
CREATE OR REPLACE PACKAGE pack_cur IS CURSOR c1 IS SELECT prodid FROM poduct ORDER BY prodid DESC; PROCEDURE proc1; PROCEDURE proc2; END pack_cur; /
CREATE OR REPLACE PACKAGE BODY pack_cur IS v_prodid 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
What is the output in your session?

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: Row is:

3. When creating a function, in which section will you typically find the RETURN keyword?

A) EXECUTABLE and HEADER
B) DECLARATIVE,EXECUTABLE and EXCEPTION HANDLING
C) DECLARATIVE
D) HEADER only

4. Examine this code
CREATE OR REPLACE PROCEDURE load bfile (p_flle_loc IN VARCHAR2)
IS
V_file BFILE;
V_filename VARCHAR2 (16);
CURSOR emp_cursor IS
SELECT employee_id
FROM employees
WHERE Job_id = 'IT_PROG'
FOR UPDATE;
BEGIN
FOR emp_record IN emp_cursor LOOP
V_filename:= emp_record.employee_id || '.GIF';
V_file := BFILENAME(p_flle_loc, v_filename);
END LOOP;
END;
/
What does the BFILENAME function do?

A) It returns a BFILE locator that is associated with a physical LOB binary file on the server's file system
B) It reads data from an external BFILE
C) It creates a directory object for use with the external BFILEs
D) It checks for the existence of an external BFILE

5. Which two statements about the overloading feature of packages are true? (Choose two)

A) Overloading allows different functions with the same name that differ only in their return types.
B) Overloading allows different subprograms with the same name, but different in either number, type or order of parameters.
C) Only local or packaged subprograms can be overloaded.
D) Overloading allows different subprograms with the same number, type and order of parameters.
E) Overloading allows different subprograms with the same name and same number or type of parameters.

Solutions: