| select i_item_id | |
| ,i_item_desc | |
| ,s_state | |
| ,count(ss_quantity) as store_sales_quantitycount | |
| ,avg(ss_quantity) as store_sales_quantityave | |
| ,stddev_samp(ss_quantity) as store_sales_quantitystdev | |
| ,stddev_samp(ss_quantity)/avg(ss_quantity) as store_sales_quantitycov | |
| ,count(sr_return_quantity) as store_returns_quantitycount | |
| ,avg(sr_return_quantity) as store_returns_quantityave | |
| ,stddev_samp(sr_return_quantity) as store_returns_quantitystdev | |
| ,stddev_samp(sr_return_quantity)/avg(sr_return_quantity) as store_returns_quantitycov | |
| ,count(cs_quantity) as catalog_sales_quantitycount ,avg(cs_quantity) as catalog_sales_quantityave | |
| ,stddev_samp(cs_quantity) as catalog_sales_quantitystdev | |
| ,stddev_samp(cs_quantity)/avg(cs_quantity) as catalog_sales_quantitycov | |
| from store_sales | |
| ,store_returns | |
| ,catalog_sales | |
| ,date_dim d1 | |
| ,date_dim d2 | |
| ,date_dim d3 | |
| ,store | |
| ,item | |
| where d1.d_quarter_name = '1998Q1' | |
| and d1.d_date_sk = ss_sold_date_sk | |
| and i_item_sk = ss_item_sk | |
| and s_store_sk = ss_store_sk | |
| and ss_customer_sk = sr_customer_sk | |
| and ss_item_sk = sr_item_sk | |
| and ss_ticket_number = sr_ticket_number | |
| and sr_returned_date_sk = d2.d_date_sk | |
| and d2.d_quarter_name in ('1998Q1','1998Q2','1998Q3') | |
| and sr_customer_sk = cs_bill_customer_sk | |
| and sr_item_sk = cs_item_sk | |
| and cs_sold_date_sk = d3.d_date_sk | |
| and d3.d_quarter_name in ('1998Q1','1998Q2','1998Q3') | |
| group by i_item_id | |
| ,i_item_desc | |
| ,s_state | |
| order by i_item_id | |
| ,i_item_desc | |
| ,s_state | |
| limit 100; | |