(a)
UPDATE contact SET fon_name = jvar>>Metafon4(last_name);

(b)
INSERT INTO contact 
(id, last_name, first_name, title, street, 
city, state, zip, phone, fax, fon_name)
VALUES (61, 'Houseman', 'Horst', 'cs', '1230 Elm Ave.', 'Carlsbad', 'CA', '92008',Œ'7604383181','7604383182', jvar>>Metafon4('Houseman')); 

(c)
SELECT emp_lname FROM employee 
WHERE (metaname(emp_lname) = metaname('BROWN'));