query20.sql

-- start query 20 in stream 0 using template query20.tpl 
SELECT 
         i_item_id , 
         i_item_desc , 
         i_category , 
         i_class , 
         i_current_price , 
         Sum(cs_ext_sales_price)                                                              AS itemrevenue ,
         Sum(cs_ext_sales_price)*100/Sum(Sum(cs_ext_sales_price)) OVER (partition BY i_class) AS revenueratio
FROM     catalog_sales , 
         item , 
         date_dim 
WHERE    cs_item_sk = i_item_sk 
AND      i_category IN ('Children', 
                        'Women', 
                        'Electronics') 
AND      cs_sold_date_sk = d_date_sk 
AND      d_date BETWEEN Cast('2001-02-03' AS DATE) AND      ( 
                  Cast('2001-02-03' AS DATE) + INTERVAL '30' day) 
GROUP BY i_item_id , 
         i_item_desc , 
         i_category , 
         i_class , 
         i_current_price 
ORDER BY i_category , 
         i_class , 
         i_item_id , 
         i_item_desc , 
         revenueratio 
LIMIT 100;