select 1 from category_object_map where object_id = :course_id
select tree_id from category_tree_map where object_id = :cc_package_id
select object_id_two as object_id, rel_type as type from acs_rels
where object_id_one = :course_id order by type
select class_instance_id as object_id, department_name, term_name, class_name, pretty_name, url
from dotlrn_class_instances_full where class_instance_id in $dotlrn_class
order by department_name, term_name, class_name, pretty_name
select community_id as object_id, pretty_name, url from dotlrn_clubs_full
where community_id in $dotlrn_com order by pretty_name