In einer PL/SQL-Block-Select-Anweisung sollte ein into
enthalten sein Klausel:
DECLARE
v_department egpl_department.department_name%type;
BEGIN
select department_name
into v_department
from egpl_department
where department_id in (select department_id from egpl_casemgmt_activity);
-- Do something useful with v_department
END;