--q37.sql--

 select i_item_id, i_item_desc, i_current_price
 from item, inventory, date_dim, catalog_sales
 where i_current_price between 68 and 68 + 30
   and inv_item_sk = i_item_sk
   and d_date_sk=inv_date_sk
   and d_date between cast('2000-02-01' as date) and (cast('2000-02-01' as date) + interval '60' day)
   and i_manufact_id in (677,940,694,808)
   and inv_quantity_on_hand between 100 and 500
   and cs_item_sk = i_item_sk
 group by i_item_id,i_item_desc,i_current_price
 order by i_item_id
 limit 100