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-- Licensed to the Apache Software Foundation (ASF) under one or more
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-- 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
--
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-- distributed under the License is distributed on an "AS IS" BASIS,
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--

--q90.sql--

 select cast(amc as decimal(15,4))/cast(pmc as decimal(15,4)) am_pm_ratio
 from ( select count(*) amc
       from web_sales, household_demographics , time_dim, web_page
       where ws_sold_time_sk = time_dim.t_time_sk
         and ws_ship_hdemo_sk = household_demographics.hd_demo_sk
         and ws_web_page_sk = web_page.wp_web_page_sk
         and time_dim.t_hour between 8 and 8+1
         and household_demographics.hd_dep_count = 6
         and web_page.wp_char_count between 5000 and 5200) at cross join
      ( select count(*) pmc
       from web_sales, household_demographics , time_dim, web_page
       where ws_sold_time_sk = time_dim.t_time_sk
         and ws_ship_hdemo_sk = household_demographics.hd_demo_sk
         and ws_web_page_sk = web_page.wp_web_page_sk
         and time_dim.t_hour between 19 and 19+1
         and household_demographics.hd_dep_count = 6
         and web_page.wp_char_count between 5000 and 5200) pt
 order by am_pm_ratio
 limit 100
            
