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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) / avg(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
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