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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. Examine this package specification:
CREATE OR REPLACE PACKAGE concat_all
IS
v_string VARCHAR2(100);
PROCEDURE combine (p_num_val NUMBER);
PROCEDURE combine (p_date_val DATE);
PROCEDURE combine (p_char_val VARCHAR2, p_num_val NUMBER);
END concat_all; /
Which overloaded COMBINE procedure declaration can be added to this package specification?

A) PROCEDURE combine (p_val_1 VARCHAR2, p_val_2 NUMBER;
B) PROCEDURE combine;
C) PROCEDURE combine (p_no NUMBER);
D) PROCEDURE concat_all
(p_num_val VARCHAR2, p_char_val NUMBER);

2. Examine this code:
CREATE OR REPLACE TRIGGER update_emp
AFTER UPDATE ON emp
BEGIN
INSERT INTO audit_table (who, dated)
VALUES (USER, SYSDATE);
END;
You issue an UPDATE command in the EMP table that results in changing 10 rows.
How many rows are inserted into the AUDIT_TABLE?

A) 10
B) A value equal to the number of rows in the EMP table.
C) None
D) 1

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

A) From SOL*Plus, a function can be executed by giving the command EXECUTE functionname;
B) Client-side functions can be used in SOL statements
C) A stored function increases efficiency of queries by performing functions on the server rather than in the application
D) A stored function that is called from a SOL statement can return a value of any PL/SOL variable data type
E) A function must have a return statement in its body to execute successfully

4. Which two tables or views track object dependencies? (Choose two)

A) USER_DEPTREE
B) USER_IDEPTREE
C) USER_DEPENDS
D) IDEPTREE
E) USER_DEPENDENCIES

5. 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_AVG(31);
B) EXECUTE CALC_PLAYER_AVG(31);
C) START CALC_PLAYER_AVG(31)
D) CALC_PLAYER('RUTH');
E) SELECT CALC_PLAYER_AVG(PLAYER_ID) FROM PLAYER_BAT_STAT;

Solutions: