tpcds/queries/q1.sql

-- SQLBench-DS query 1 derived from TPC-DS query 1 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 customer_total_return as
(select sr_customer_sk as ctr_customer_sk
,sr_store_sk as ctr_store_sk
,sum(SR_RETURN_AMT_INC_TAX) as ctr_total_return
from store_returns
,date_dim
where sr_returned_date_sk = d_date_sk
and d_year =1999
group by sr_customer_sk
,sr_store_sk)
 select  c_customer_id
from customer_total_return ctr1
,store
,customer
where ctr1.ctr_total_return > (select avg(ctr_total_return)*1.2
from customer_total_return ctr2
where ctr1.ctr_store_sk = ctr2.ctr_store_sk)
and s_store_sk = ctr1.ctr_store_sk
and s_state = 'TN'
and ctr1.ctr_customer_sk = c_customer_sk
order by c_customer_id
 LIMIT 100;