73 lines
2.4 KiB
SQL
73 lines
2.4 KiB
SQL
WITH v1 AS
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(SELECT i_category,
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i_brand,
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s_store_name,
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s_company_name,
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d_year,
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d_moy,
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sum(ss_sales_price) sum_sales,
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avg(sum(ss_sales_price)) OVER (PARTITION BY i_category,
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i_brand,
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s_store_name,
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s_company_name,
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d_year) avg_monthly_sales,
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rank() OVER (PARTITION BY i_category,
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i_brand,
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s_store_name,
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s_company_name
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ORDER BY d_year,
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d_moy) rn
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FROM item,
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store_sales,
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date_dim,
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store
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WHERE ss_item_sk = i_item_sk
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AND ss_sold_date_sk = d_date_sk
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AND ss_store_sk = s_store_sk
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AND (d_year = 1999
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OR (d_year = 1999-1
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AND d_moy =12)
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OR (d_year = 1999+1
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AND d_moy =1))
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GROUP BY i_category,
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i_brand,
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s_store_name,
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s_company_name,
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d_year,
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d_moy),
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v2 AS
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(SELECT v1.i_category,
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v1.i_brand,
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v1.s_store_name,
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v1.s_company_name,
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v1.d_year,
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v1.d_moy,
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v1.avg_monthly_sales,
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v1.sum_sales,
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v1_lag.sum_sales psum,
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v1_lead.sum_sales nsum
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FROM v1,
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v1 v1_lag,
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v1 v1_lead
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WHERE v1.i_category = v1_lag.i_category
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AND v1.i_category = v1_lead.i_category
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AND v1.i_brand = v1_lag.i_brand
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AND v1.i_brand = v1_lead.i_brand
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AND v1.s_store_name = v1_lag.s_store_name
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AND v1.s_store_name = v1_lead.s_store_name
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AND v1.s_company_name = v1_lag.s_company_name
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AND v1.s_company_name = v1_lead.s_company_name
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AND v1.rn = v1_lag.rn + 1
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AND v1.rn = v1_lead.rn - 1)
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SELECT *
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FROM v2
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WHERE d_year = 1999
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AND avg_monthly_sales > 0
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AND CASE
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WHEN avg_monthly_sales > 0 THEN abs(sum_sales - avg_monthly_sales) / avg_monthly_sales
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ELSE NULL
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END > 0.1
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ORDER BY sum_sales - avg_monthly_sales, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
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LIMIT 100;
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