0001 SELECT cast(amc AS DECIMAL(15, 4)) / cast(pmc AS DECIMAL(15, 4)) am_pm_ratio
0002 FROM (SELECT count(*) amc
0003 FROM web_sales, household_demographics, time_dim, web_page
0004 WHERE ws_sold_time_sk = time_dim.t_time_sk
0005 AND ws_ship_hdemo_sk = household_demographics.hd_demo_sk
0006 AND ws_web_page_sk = web_page.wp_web_page_sk
0007 AND time_dim.t_hour BETWEEN 8 AND 8 + 1
0008 AND household_demographics.hd_dep_count = 6
0009 AND web_page.wp_char_count BETWEEN 5000 AND 5200) at,
0010 (SELECT count(*) pmc
0011 FROM web_sales, household_demographics, time_dim, web_page
0012 WHERE ws_sold_time_sk = time_dim.t_time_sk
0013 AND ws_ship_hdemo_sk = household_demographics.hd_demo_sk
0014 AND ws_web_page_sk = web_page.wp_web_page_sk
0015 AND time_dim.t_hour BETWEEN 19 AND 19 + 1
0016 AND household_demographics.hd_dep_count = 6
0017 AND web_page.wp_char_count BETWEEN 5000 AND 5200) pt
0018 ORDER BY am_pm_ratio
0019 LIMIT 100
