SQL>
SQL> create table it
2 (c1 number primary key,
3 c2 number,
4 c3 number);
SQL>
SQL> alter table it add constraint it_fk foreign key (c2) references emp disable;
SQL>
SQL> select object_name as name, object_id
2 from user_objects
3 where object_name in ('T', 'IT');
IT 14971
1 row selected.