| -- SQLBench-DS query 74 derived from TPC-DS query 74 under the terms of the TPC Fair Use Policy. |
| -- TPC-DS queries are Copyright 2021 Transaction Processing Performance Council. |
| -- This query was generated at scale factor 1. |
| with year_total as ( |
| select c_customer_id customer_id |
| ,c_first_name customer_first_name |
| ,c_last_name customer_last_name |
| ,d_year as year |
| ,stddev_samp(ss_net_paid) year_total |
| ,'s' sale_type |
| from customer |
| ,store_sales |
| ,date_dim |
| where c_customer_sk = ss_customer_sk |
| and ss_sold_date_sk = d_date_sk |
| and d_year in (2001,2001+1) |
| group by c_customer_id |
| ,c_first_name |
| ,c_last_name |
| ,d_year |
| union all |
| select c_customer_id customer_id |
| ,c_first_name customer_first_name |
| ,c_last_name customer_last_name |
| ,d_year as year |
| ,stddev_samp(ws_net_paid) year_total |
| ,'w' sale_type |
| from customer |
| ,web_sales |
| ,date_dim |
| where c_customer_sk = ws_bill_customer_sk |
| and ws_sold_date_sk = d_date_sk |
| and d_year in (2001,2001+1) |
| group by c_customer_id |
| ,c_first_name |
| ,c_last_name |
| ,d_year |
| ) |
| select |
| t_s_secyear.customer_id, t_s_secyear.customer_first_name, t_s_secyear.customer_last_name |
| from year_total t_s_firstyear |
| ,year_total t_s_secyear |
| ,year_total t_w_firstyear |
| ,year_total t_w_secyear |
| where t_s_secyear.customer_id = t_s_firstyear.customer_id |
| and t_s_firstyear.customer_id = t_w_secyear.customer_id |
| and t_s_firstyear.customer_id = t_w_firstyear.customer_id |
| and t_s_firstyear.sale_type = 's' |
| and t_w_firstyear.sale_type = 'w' |
| and t_s_secyear.sale_type = 's' |
| and t_w_secyear.sale_type = 'w' |
| and t_s_firstyear.year = 2001 |
| and t_s_secyear.year = 2001+1 |
| and t_w_firstyear.year = 2001 |
| and t_w_secyear.year = 2001+1 |
| and t_s_firstyear.year_total > 0 |
| and t_w_firstyear.year_total > 0 |
| and case when t_w_firstyear.year_total > 0 then t_w_secyear.year_total / t_w_firstyear.year_total else null end |
| > case when t_s_firstyear.year_total > 0 then t_s_secyear.year_total / t_s_firstyear.year_total else null end |
| order by 3,2,1 |
| LIMIT 100; |
| |