oracle8.1.6
select registered_users.first_names,
registered_users.last_name,
registered_users.email,
registered_users.user_id
from registered_users,
dotlrn_member_rels_approved
where dotlrn_member_rels_approved.community_id = :community_id
and dotlrn_member_rels_approved.user_id = registered_users.user_id
order by last_name, first_names