Oracle9i program with pl/sql : 1Z0-147

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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. The add_player, upd_player_stat, and upd_pitcher_stat procedures are grouped together in a package. A variable must be shared among only these procedures.
Where should you declare this variable?

A) In the package specification.
B) In the package body.
C) In each procedure's DECLARE section, using the exact same name in each.
D) In a database trigger.

2. Which statement is true?

A) Stored functions can be called from the SELECT and WHERE clauses only.
B) Stored functions cannot manipulate new types of data, such as longitude and latitude.
C) Stored functions do not permit calculations that involve database links in a distributed environment.
D) Stored functions can increase the efficiency of queries by performing functions in the query rather than in the application.

3. Which two statements are true about LOBs? (Choose two.)

A) The Oracle9i server performs implicit conversions between BLOBs and NUMBER data types
B) The Oracle9i server performs implicit conversions between CLOBs and VARCHAR2 data types
C) All LOBs have read and write access
D) NCLOB represents a multi-byte character object
E) BFILES are stored in the database

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

5. Examine this package:
CREATE OR REPLACE PACKAGE discounts
IS
g_id NUMBER := 7829;
discount_rate NUMBER := 0.00;
PROCEDURE display_price (p_price NUMBER);
END discounts;
/
CREATE OR REPLACE PACKAGE BODY discounts
IS
PROCEDURE display_price (p_price NUMBER)
IS
BEGIN
DBMS_OUTPUT.PUT_LINE('Discounted '||
TO_CHAR(p_price*NVL(discount_rate, 1)));
END display_price;
BEGIN
discount_rate := 0.10;
END discounts;
/
Which statement is true?

A) The value of DISCOUNT_RATE is set to 0.10 when the package is invoked for the first time in a session.
B) The value of DISCOUNT_RATE always remains 0.00 in a session.
C) The value of DISCOUNT_RATE is set to 1.00 each time the procedure DISPLAY_PRICE is invoked.
D) The value of DISCOUNT_RATE is set to 0.10 each time the package is invoked in a session.

Solutions: