create table component_gradings (
  `index` integer not null,
  id integer not null,
  unique_name text not null,
  required boolean not null,
  label text not null,
  rating_view_type text references rating_view_types not null default 'gradingSlider',
  description text
);

comment on column component_gradings.index is '
  Component index
';
comment on column component_gradings.id is '
  Component id
';
comment on column component_gradings.unique_name is '
  Unique name
';
comment on column component_gradings.required is '
  Component required
';
comment on column component_gradings.label is '
  Component label
';
comment on column component_gradings.rating_view_type is '
  Rating View Type
';
comment on column component_gradings.description is '
  Component description
';