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Oracle 1Z0-147 Exam Syllabus Topics:

Oracle9i program with pl/sql Sample Questions:

1. When creating stored procedures and functions, which construct allows you to transfer values to and from the calling environment?

A) Boolean variables
B) Substitution variables
C) local variables
D) arguments

2. Examine this code:
CREATE OR REPLACE PROCEDURE audit_action (p_who VARCHAR2) AS BEGIN INSERT INTO audit(schema_user) VALUES(p_who); END audit_action; /
CREATE OR REPLACE TRIGGER watch_it AFTER LOGON ON DATABASE CALL audit_action(ora_login_user) / What does this trigger do?

A) The trigger invokes the procedure audit_action each time a user logs on to the database and adds the username to the audit table.
B) The trigger marks the user as logged on to the database before an audit statement is issued.
C) The trigger invoked the procedure audit_action each time a user logs on to his/her schema and adds the username to the audit table.
D) The trigger records an audit trail when a user makes changes to the database.

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

4. Which three are true regarding error propagation? (Choose three)

A) The use of the RAISE; statement in an exception handler reraises the current exception.
B) An exception raised inside a declaration immediately propagates to the current block.
C) An exception cannot propagate across remote procedure calls.
D) An exception raised inside an exception handler immediately propagates to the enclosing block.

5. When using a packaged function in a query, what is true?

A) The packaged function can execute an INSERT, UPDATEM or DELETE statement against the table that is being queried if the pragma RESTRICT REFERENCE is used.
B) The packaged function can execute and INSERT, UPDATE, or DELETE statement against the table that is being queried if it is used in a subquery.
C) The COMMIT and ROLLBACK commands are allowed in the packaged function.
D) The packaged function cannot execute an INSERT, UPDATE, or DELETE statement against the table that is being queried.
E) You can not use packaged functions in a query statement.

Solutions: