q94.sql

SELECT
  count(DISTINCT ws_order_number) AS "order count ",
  sum(ws_ext_ship_cost) AS "total shipping cost ",
  sum(ws_net_profit) AS "total net profit "
FROM
  web_sales ws1, date_dim, customer_address, web_site
WHERE
  d_date BETWEEN CAST('1999-02-01' AS DATE) AND
  (CAST('1999-02-01' AS DATE) + INTERVAL '60' day)
    AND ws1.ws_ship_date_sk = d_date_sk
    AND ws1.ws_ship_addr_sk = ca_address_sk
    AND ca_state = 'IL'
    AND ws1.ws_web_site_sk = web_site_sk
    AND web_company_name = 'pri'
    AND EXISTS(SELECT *
               FROM web_sales ws2
               WHERE ws1.ws_order_number = ws2.ws_order_number
                 AND ws1.ws_warehouse_sk <> ws2.ws_warehouse_sk)
    AND NOT EXISTS(SELECT *
                   FROM web_returns wr1
                   WHERE ws1.ws_order_number = wr1.wr_order_number)
ORDER BY count(DISTINCT ws_order_number)
LIMIT 100;