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Oracle9i program with pl/sql Sample Questions:

1. Which two programming constructs can be grouped within a package? (Choose two)

A) Constant
B) View
C) Cursor
D) Trigger
E) Sequence

2. You want to create procedures, functions and packages Which privilege do you need?

A) CREATE PROCEDURE system privilege
B) EXECUTE CODE object privilege
C) CREATE ANY CODE object privilege
D) CREATE PACKAGE system privilege
E) CREATE FUNCTION, CREATE PROCEDURE, CREATE PACKAGE system privileges

3. 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) A comma has been left after the STATS_EXIST_EXCEPTION exception.
B) Only predefined exceptions are allowed in the EXCEPTION section.
C) The STATS_EXIST_EXCEPTION has not been declared as an exception.
D) The STATS_EXIST_EXCEPTION has not been declared as a number.

4. Examine this code:
CREATE OR REPLACE STORED FUNCTION get_sal
(p_raise_amt NUMBER, p_employee_id employees.employee_id%TYPE)
RETURN NUMBER
IS
v_salary NUMBER;
v_raise NUMBER(8,2);
BEGIN
SELECT salary
INTO v_salary
FROM employees
WHERE employee_id = p_employee_id;
v_raise := p_raise_amt * v_salary;
RETURN v_raise;
END;
Which statement is true?

A) This statement creates a stored function named get_sal.
B) This statement creates a stored function named get_sal with a status of invalid.
C) This statement creates a stored procedure named get_sal.
D) This statement returns a raise amount based on an employee id.
E) This statement fails.

5. What is a condition predicate in a DML trigger?

A) A conditional predicate allows you to specify a SHUTDOWN or STARTUP condition in the trigger body.
B) A conditional predicate allows you to combine several DBM triggering events into one in the trigger body.
C) A conditional predicate allows you to specify a WHEN-LOGGING-ON condition in the trigger body.
D) A conditional predicate means you use the NEW and OLD qualifiers in the trigger body as a condition.

Solutions: