select case when count(*) = 0 then 0 else 1 end from apm_package_db_types insert into apm_package_db_types (db_type_key, pretty_db_name) values (:db_type, :db_pretty_name) select t.package_key from apm_package_types t left join apm_packages p using (package_key) where p.package_id is null select package_id from apm_packages where instance_name = 'Main Site'