alter table forum_forums
add (admin_group_id   NUMBER,
     create_group_id  NUMBER,
     respond_group_id NUMBER,
     read_group_id    NUMBER);


alter table forum_forums add
    constraint foru_foru_admi_grou_id_f_k0nw6 foreign key (admin_group_id)
      references groups(group_id);
alter table forum_forums add
    constraint foru_foru_crea_grou_id_f_f7x57 foreign key (create_group_id)
      references groups(group_id);
alter table forum_forums add
    constraint foru_foru_respo_gro_id_f_rnofz foreign key (respond_group_id)
      references groups(group_id);
alter table forum_forums add
    constraint foru_forum_rea_grou_id_f_itati foreign key (read_group_id)
      references groups(group_id);

