q65.sql

SELECT
  s_store_name,
  i_item_desc,
  sc.revenue,
  i_current_price,
  i_wholesale_cost,
  i_brand
FROM store, item,
  (SELECT
    ss_store_sk,
    avg(revenue) AS ave
  FROM
    (SELECT
      ss_store_sk,
      ss_item_sk,
      sum(ss_sales_price) AS revenue
    FROM store_sales, date_dim
    WHERE ss_sold_date_sk = d_date_sk AND d_month_seq BETWEEN 1176 AND 1176 + 11
    GROUP BY ss_store_sk, ss_item_sk) sa
  GROUP BY ss_store_sk) sb,
  (SELECT
    ss_store_sk,
    ss_item_sk,
    sum(ss_sales_price) AS revenue
  FROM store_sales, date_dim
  WHERE ss_sold_date_sk = d_date_sk AND d_month_seq BETWEEN 1176 AND 1176 + 11
  GROUP BY ss_store_sk, ss_item_sk) sc
WHERE sb.ss_store_sk = sc.ss_store_sk AND
  sc.revenue <= 0.1 * sb.ave AND
  s_store_sk = sc.ss_store_sk AND
  i_item_sk = sc.ss_item_sk
ORDER BY s_store_name, i_item_desc
LIMIT 100;