--
-- 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.
--
-- q91 --
select
  cc_call_center_id Call_Center,
  cc_name Call_Center_Name,
  cc_manager Manager,
  sum(cr_net_loss) Returns_Loss
from
  call_center,
  catalog_returns,
  date_dim,
  customer,
  customer_address,
  customer_demographics,
  household_demographics
where
  cr_call_center_sk = cc_call_center_sk
  and cr_returned_date_sk = d_date_sk
  and cr_returning_customer_sk = c_customer_sk
  and cd_demo_sk = c_current_cdemo_sk
  and hd_demo_sk = c_current_hdemo_sk
  and ca_address_sk = c_current_addr_sk
  and d_year = 1999
  and d_moy = 11
  and (
    (
      cd_marital_status = 'M'
      and cd_education_status = 'Unknown'
    )
    or (
      cd_marital_status = 'W'
      and cd_education_status = 'Advanced Degree'
    )
  )
  and hd_buy_potential like '0-500%'
  and ca_gmt_offset = -7
group by
  cc_call_center_id,
  cc_name,
  cc_manager,
  cd_marital_status,
  cd_education_status
order by
  sum(cr_net_loss) desc;
