CREATE TABLE phones (
  id int(10) unsigned NOT NULL auto_increment,
  person_id int(10) unsigned NOT NULL default '0',
  phone varchar(15) NOT NULL default '',
  PRIMARY KEY  (id),
  KEY people_id (person_id),
  KEY phone (phone)
) TYPE=MyISAM AUTO_INCREMENT=3 ;

INSERT INTO phones VALUES (1, 1, '1234567890');
INSERT INTO phones VALUES (2, 1, '1122334455');