text: --
  -- Licensed to the Apache Software Foundation (ASF) under one or more
  -- contributor license agreements.  See the NOTICE file distributed with
  -- this work for additional information regarding copyright ownership.
  -- The ASF licenses this file to You under the Apache License, Version 2.0
  -- (the "License"); you may not use this file except in compliance with
  -- the License.  You may obtain a copy of the License at
  --
  --    http://www.apache.org/licenses/LICENSE-2.0
  --
  -- Unless required by applicable law or agreed to in writing, software
  -- distributed under the License is distributed on an "AS IS" BASIS,
  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -- See the License for the specific language governing permissions and
  -- limitations under the License.
  --
  
  SELECT
    substr(r_reason_desc, 1, 20),
    avg(ws_quantity),
    avg(wr_refunded_cash),
    avg(wr_fee)
  FROM web_sales, web_returns, web_page, customer_demographics cd1,
    customer_demographics cd2, customer_address, date_dim, reason
  WHERE ws_web_page_sk = wp_web_page_sk
    AND ws_item_sk = wr_item_sk
    AND ws_order_number = wr_order_number
    AND ws_sold_date_sk = d_date_sk AND d_year = 2000
    AND cd1.cd_demo_sk = wr_refunded_cdemo_sk
    AND cd2.cd_demo_sk = wr_returning_cdemo_sk
    AND ca_address_sk = wr_refunded_addr_sk
    AND r_reason_sk = wr_reason_sk
    AND
    (
      (
        cd1.cd_marital_status = 'M'
          AND
          cd1.cd_marital_status = cd2.cd_marital_status
          AND
          cd1.cd_education_status = 'Advanced Degree'
          AND
          cd1.cd_education_status = cd2.cd_education_status
          AND
          ws_sales_price BETWEEN 100.00 AND 150.00
      )
        OR
        (
          cd1.cd_marital_status = 'S'
            AND
            cd1.cd_marital_status = cd2.cd_marital_status
            AND
            cd1.cd_education_status = 'College'
            AND
            cd1.cd_education_status = cd2.cd_education_status
            AND
            ws_sales_price BETWEEN 50.00 AND 100.00
        )
        OR
        (
          cd1.cd_marital_status = 'W'
            AND
            cd1.cd_marital_status = cd2.cd_marital_status
            AND
            cd1.cd_education_status = '2 yr Degree'
            AND
            cd1.cd_education_status = cd2.cd_education_status
            AND
            ws_sales_price BETWEEN 150.00 AND 200.00
        )
    )
    AND
    (
      (
        ca_country = 'United States'
          AND
          ca_state IN ('IN', 'OH', 'NJ')
          AND ws_net_profit BETWEEN 100 AND 200
      )
        OR
        (
          ca_country = 'United States'
            AND
            ca_state IN ('WI', 'CT', 'KY')
            AND ws_net_profit BETWEEN 150 AND 300
        )
        OR
        (
          ca_country = 'United States'
            AND
            ca_state IN ('LA', 'IA', 'AR')
            AND ws_net_profit BETWEEN 50 AND 250
        )
    )
  GROUP BY r_reason_desc
  ORDER BY substr(r_reason_desc, 1, 20)
    , avg(ws_quantity)
    , avg(wr_refunded_cash)
    , avg(wr_fee)
  LIMIT 100
  