with ss_items as
         (select i_item_id               item_id
               , sum(ss_ext_sales_price) ss_item_rev
          from store_sales
             , item
             , date_dim
          where ss_item_sk = i_item_sk
            and d_date in (select d_date
                           from date_dim
                           where d_week_seq = (select d_week_seq
                                               from date_dim
                                               where d_date = '2000-01-03'))
            and ss_sold_date_sk = d_date_sk
          group by i_item_id),
     cs_items as
         (select i_item_id               item_id
               , sum(cs_ext_sales_price) cs_item_rev
          from catalog_sales
             , item
             , date_dim
          where cs_item_sk = i_item_sk
            and d_date in (select d_date
                           from date_dim
                           where d_week_seq = (select d_week_seq
                                               from date_dim
                                               where d_date = '2000-01-03'))
            and cs_sold_date_sk = d_date_sk
          group by i_item_id),
     ws_items as
         (select i_item_id               item_id
               , sum(ws_ext_sales_price) ws_item_rev
          from web_sales
             , item
             , date_dim
          where ws_item_sk = i_item_sk
            and d_date in (select d_date
                           from date_dim
                           where d_week_seq = (select d_week_seq
                                               from date_dim
                                               where d_date = '2000-01-03'))
            and ws_sold_date_sk = d_date_sk
          group by i_item_id)
select ss_items.item_id
     , ss_item_rev
     , ss_item_rev / ((ss_item_rev + cs_item_rev + ws_item_rev) / 3) * 100 ss_dev
     , cs_item_rev
     , cs_item_rev / ((ss_item_rev + cs_item_rev + ws_item_rev) / 3) * 100 cs_dev
     , ws_item_rev
     , ws_item_rev / ((ss_item_rev + cs_item_rev + ws_item_rev) / 3) * 100 ws_dev
     , (ss_item_rev + cs_item_rev + ws_item_rev) / 3                       average
from ss_items,
     cs_items,
     ws_items
where ss_items.item_id = cs_items.item_id
  and ss_items.item_id = ws_items.item_id
  and ss_item_rev between 0.9 * cs_item_rev and 1.1 * cs_item_rev
  and ss_item_rev between 0.9 * ws_item_rev and 1.1 * ws_item_rev
  and cs_item_rev between 0.9 * ss_item_rev and 1.1 * ss_item_rev
  and cs_item_rev between 0.9 * ws_item_rev and 1.1 * ws_item_rev
  and ws_item_rev between 0.9 * ss_item_rev and 1.1 * ss_item_rev
  and ws_item_rev between 0.9 * cs_item_rev and 1.1 * cs_item_rev
order by item_id
       , ss_item_rev limit 100