54 lines
1.6 KiB
SQL
54 lines
1.6 KiB
SQL
with my_customers as (
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select distinct c_customer_sk
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, c_current_addr_sk
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from
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( select cs_sold_date_sk sold_date_sk,
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cs_bill_customer_sk customer_sk,
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cs_item_sk item_sk
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from catalog_sales
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union all
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select ws_sold_date_sk sold_date_sk,
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ws_bill_customer_sk customer_sk,
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ws_item_sk item_sk
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from web_sales
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) cs_or_ws_sales,
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item,
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date_dim,
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customer
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where sold_date_sk = d_date_sk
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and item_sk = i_item_sk
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and i_category = 'Books'
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and i_class = 'business'
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and c_customer_sk = cs_or_ws_sales.customer_sk
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and d_moy = 2
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and d_year = 2000
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)
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, my_revenue as (
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select c_customer_sk,
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sum(ss_ext_sales_price) as revenue
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from my_customers,
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store_sales,
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customer_address,
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store,
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date_dim
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where c_current_addr_sk = ca_address_sk
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and ca_county = s_county
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and ca_state = s_state
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and ss_sold_date_sk = d_date_sk
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and c_customer_sk = ss_customer_sk
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and d_month_seq between (select distinct d_month_seq+1
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from date_dim where d_year = 2000 and d_moy = 2)
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and (select distinct d_month_seq+3
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from date_dim where d_year = 2000 and d_moy = 2)
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group by c_customer_sk
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)
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, segments as
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(select cast((revenue/50) as int) as segment
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from my_revenue
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)
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select segment, count(*) as num_customers, segment*50 as segment_base
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from segments
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group by segment
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order by segment, num_customers
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limit 100;
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