> create cursor parent ; > ( p_id I, ; > p_name c(32) ; > ) > > insert into parent values (1, 'Father Tom') > insert into parent values (2, 'Father Mike') > > create cursor Child ; > ( c_id I, ; > c_p_id I, ; > p_name c(30) ; > ) > > insert into Child values (1, 2, 'Daniel') > insert into Child values (2, 2, 'David') >>
> select * ; > from Parent ; > where ( exists ; > ( select 1 from Child where c_p_id == p_id ) ; > ) ; > into cursor ParentsWithChildren >>