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- 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 6 and 6+1
- and household_demographics.hd_dep_count = 8
- and web_page.wp_char_count between 5000 and 5200) at,
- ( 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 14 and 14+1
- and household_demographics.hd_dep_count = 8
- and web_page.wp_char_count between 5000 and 5200) pt
- order by am_pm_ratio
- limit 100;
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