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Oracle9i program with pl/sql Sample Questions:

1. Examine this procedure:
CREATE OR REPLACE PROCEDURE INSERT_TEAM
(V_ID in NUMBER, V_CITY in VARCHAR2 DEFAULT 'AUSTIN', V_NAME in VARCHAR2)
IS
BEGIN
INSERT INTO TEAM (id, city, name)
VALUES (v_id, v_city, v_name);
COMMIT;
END
Which two statements will successfully invoke this procedure in SQL *Plus? (Choose two)

A) EXECUTE INSERT_TEAM(3, 'AUSTIN','LONGHORNS');
B) EXECUTE INSERT_TEAM(3, V_NAME=>'LONGHORNS', V_CITY=>'AUSTIN');
C) EXECUTE INSERT_TEAM (3, 'LONGHORNS');
D) EXECUTE INSERT_TEAM (V_ID := V_NAME := 'LONGHORNS', V_CITY := 'AUSTIN');
E) EXECUTE INSERT_TEAM;

2. 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) EXECUTE CALC_PLAYER_AVG(31);
B) 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;

3. Which statement is valid when removing procedures?

A) Use a drop procedure statement to drop a standalone procedure.
B) Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package specification.
C) For faster removal and re-creation, do not use a drop procedure statement.
Instead, recompile the procedure using the alter procedure statement with the REUSE SETTINGS
clause.
D) Use a drop procedure statement to drop a procedure that is part of a package.
Then recompile the package body.

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

5. Which two describe a stored procedure? (Choose two)

A) A stored procedure has three parts: the specification, the body, and the exception handler part.
B) The executable section of a stored procedure contains statements that assigns values, control execution, and return values to the calling environment.
C) A stored procedure is a type of PL/SQL subprogram that performs an action.
D) A stored procedure is typically written in SQL.
E) A stored procedure is a named PL/SQL block that can accept parameters.

Solutions: