update emp set email = 'suzuki@aaa.com' where code = 564001;
update emp set email = 'saito@bbb.com' where code = 564002;
update emp set email = 'yamada@ccc.com' where code = 564003;
update emp set email = 'tanaka@ddd.com' where code = 564004;
update emp set email = 'satoh@eee.com' where code = 564005;
update emp set email = 'aihara@fff.com' where code = 564006;
update emp set email = 'kobayashi@ggg.com' where code = 564007;
update emp set email = 'yoshida@hhh.com' where code = 564008;