var sql = "delete from tlk_qs_user_enterprice_info where istmp=0 and ";
sql += " item_username in(select tlk_qs_user_enterprice_info.item_username ";
sql += " from tlk_qs_user_enterprice_info where istmp=0 and not exists(";
sql += "select t_qe.item_username from t_user,";
sql += " tlk_qs_user_enterprice_info t_qe where t_user.id=t_qe.item_username))";
deleteByDSName("del",sql);