Hierarquia de versoes de forms

select level, lpad(sdl_label,Length(sdl_label) + LEVEL  -1,'-') VERSION , sdl_create
  from (select * from sdl
where sdk_key = 41 and sdl_current_version is not null ) a
  start with a.sdl_parent_version is null
  connect by prior a.sdl_current_version=a.sdl_parent_version;

Forms Hierarchy