--
-- 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.
--
-- q17 --
select
       i_item_id,
       i_item_desc,
       s_state,
       count(ss_quantity) as store_sales_quantitycount,
       avg(ss_quantity) as store_sales_quantityave,
       stddev_samp(ss_quantity) as store_sales_quantitystdev,
       stddev_samp(ss_quantity) / avg(ss_quantity) as store_sales_quantitycov,
       count(sr_return_quantity) as store_returns_quantitycount,
       avg(sr_return_quantity) as store_returns_quantityave,
       stddev_samp(sr_return_quantity) as store_returns_quantitystdev,
       stddev_samp(sr_return_quantity) / avg(sr_return_quantity) as store_returns_quantitycov,
       count(cs_quantity) as catalog_sales_quantitycount,
       avg(cs_quantity) as catalog_sales_quantityave,
       stddev_samp(cs_quantity) as catalog_sales_quantitystdev,
       stddev_samp(cs_quantity) / avg(cs_quantity) as catalog_sales_quantitycov
from
       store_sales,
       store_returns,
       catalog_sales,
       date_dim d1,
       date_dim d2,
       date_dim d3,
       store,
       item
where
       d1.d_quarter_name = '1998Q1'
       and d1.d_date_sk = ss_sold_date_sk
       and i_item_sk = ss_item_sk
       and s_store_sk = ss_store_sk
       and ss_customer_sk = sr_customer_sk
       and ss_item_sk = sr_item_sk
       and ss_ticket_number = sr_ticket_number
       and sr_returned_date_sk = d2.d_date_sk
       and d2.d_quarter_name in ('1998Q1', '1998Q2', '1998Q3')
       and sr_customer_sk = cs_bill_customer_sk
       and sr_item_sk = cs_item_sk
       and cs_sold_date_sk = d3.d_date_sk
       and d3.d_quarter_name in ('1998Q1', '1998Q2', '1998Q3')
group by
       i_item_id,
       i_item_desc,
       s_state
order by
       i_item_id,
       i_item_desc,
       s_state
limit
       100;
