query30.sql

-- query30
WITH customer_total_return 
     AS (SELECT wr_returning_customer_sk AS ctr_customer_sk, 
                ca_state                 AS ctr_state, 
                Sum(wr_return_amt)       AS ctr_total_return 
         FROM   web_returns, 
                date_dim, 
                customer_address 
         WHERE  wr_returned_date_sk = d_date_sk 
                AND d_year = 2000 
                AND wr_returning_addr_sk = ca_address_sk 
         GROUP  BY wr_returning_customer_sk, 
                   ca_state) 
SELECT TOP 100 c_customer_id, 
               c_salutation, 
               c_first_name, 
               c_last_name, 
               c_preferred_cust_flag, 
               c_birth_day, 
               c_birth_month, 
               c_birth_year, 
               c_birth_country, 
               c_login, 
               c_email_address, 
               c_last_review_date, 
               ctr_total_return 
FROM   customer_total_return ctr1, 
       customer_address, 
       customer 
WHERE  ctr1.ctr_total_return > (SELECT Avg(ctr_total_return) * 1.2 
                                FROM   customer_total_return ctr2 
                                WHERE  ctr1.ctr_state = ctr2.ctr_state) 
       AND ca_address_sk = c_current_addr_sk 
       AND ca_state = 'IN' 
       AND ctr1.ctr_customer_sk = c_customer_sk 
ORDER  BY c_customer_id, 
          c_salutation, 
          c_first_name, 
          c_last_name, 
          c_preferred_cust_flag, 
          c_birth_day, 
          c_birth_month, 
          c_birth_year, 
          c_birth_country, 
          c_login, 
          c_email_address, 
          c_last_review_date, 
          ctr_total_return