| select i_item_id | |
| ,i_item_desc | |
| ,i_category | |
| ,i_class | |
| ,i_current_price | |
| ,sum(ws_ext_sales_price) as itemrevenue | |
| ,sum(ws_ext_sales_price)*100/sum(sum(ws_ext_sales_price)) over | |
| (partition by i_class) as revenueratio | |
| from | |
| web_sales | |
| ,item | |
| ,date_dim | |
| where | |
| ws_item_sk = i_item_sk | |
| and i_category in ('Jewelry', 'Sports', 'Books') | |
| and ws_sold_date_sk = d_date_sk | |
| and d_date between cast('2001-01-12' as date) | |
| and (cast('2001-01-12' as date) + 30 days) | |
| 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; | |