68 lines
3.0 KiB
SQL
68 lines
3.0 KiB
SQL
WITH all_sales AS (
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SELECT d_year
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,i_brand_id
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,i_class_id
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,i_category_id
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,i_manufact_id
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,SUM(sales_cnt) AS sales_cnt
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,SUM(sales_amt) AS sales_amt
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FROM (SELECT d_year
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,i_brand_id
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,i_class_id
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,i_category_id
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,i_manufact_id
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,cs_quantity - COALESCE(cr_return_quantity,0) AS sales_cnt
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,cs_ext_sales_price - COALESCE(cr_return_amount,0.0) AS sales_amt
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FROM catalog_sales JOIN item ON i_item_sk=cs_item_sk
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JOIN date_dim ON d_date_sk=cs_sold_date_sk
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LEFT JOIN catalog_returns ON (cs_order_number=cr_order_number
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AND cs_item_sk=cr_item_sk)
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WHERE i_category='Sports'
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UNION
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SELECT d_year
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,i_brand_id
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,i_class_id
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,i_category_id
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,i_manufact_id
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,ss_quantity - COALESCE(sr_return_quantity,0) AS sales_cnt
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,ss_ext_sales_price - COALESCE(sr_return_amt,0.0) AS sales_amt
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FROM store_sales JOIN item ON i_item_sk=ss_item_sk
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JOIN date_dim ON d_date_sk=ss_sold_date_sk
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LEFT JOIN store_returns ON (ss_ticket_number=sr_ticket_number
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AND ss_item_sk=sr_item_sk)
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WHERE i_category='Sports'
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UNION
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SELECT d_year
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,i_brand_id
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,i_class_id
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,i_category_id
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,i_manufact_id
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,ws_quantity - COALESCE(wr_return_quantity,0) AS sales_cnt
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,ws_ext_sales_price - COALESCE(wr_return_amt,0.0) AS sales_amt
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FROM web_sales JOIN item ON i_item_sk=ws_item_sk
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JOIN date_dim ON d_date_sk=ws_sold_date_sk
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LEFT JOIN web_returns ON (ws_order_number=wr_order_number
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AND ws_item_sk=wr_item_sk)
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WHERE i_category='Sports') sales_detail
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GROUP BY d_year, i_brand_id, i_class_id, i_category_id, i_manufact_id)
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SELECT prev_yr.d_year AS prev_year
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,curr_yr.d_year AS year
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,curr_yr.i_brand_id
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,curr_yr.i_class_id
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,curr_yr.i_category_id
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,curr_yr.i_manufact_id
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,prev_yr.sales_cnt AS prev_yr_cnt
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,curr_yr.sales_cnt AS curr_yr_cnt
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,curr_yr.sales_cnt-prev_yr.sales_cnt AS sales_cnt_diff
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,curr_yr.sales_amt-prev_yr.sales_amt AS sales_amt_diff
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FROM all_sales curr_yr, all_sales prev_yr
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WHERE curr_yr.i_brand_id=prev_yr.i_brand_id
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AND curr_yr.i_class_id=prev_yr.i_class_id
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AND curr_yr.i_category_id=prev_yr.i_category_id
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AND curr_yr.i_manufact_id=prev_yr.i_manufact_id
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AND curr_yr.d_year=2001
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AND prev_yr.d_year=2001-1
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AND CAST(curr_yr.sales_cnt AS DECIMAL(17,2))/CAST(prev_yr.sales_cnt AS DECIMAL(17,2))<0.9
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ORDER BY sales_cnt_diff,sales_amt_diff
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limit 100;
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