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 = '2001Q1'

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 ('2001Q1','2001Q2','2001Q3')

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 ('2001Q1','2001Q2','2001Q3')

group by i_item_id

,i_item_desc

,s_state

order by i_item_id

,i_item_desc

,s_state

limit 100;