我有一个表logins下面的模式获取最大计数最高计数,表中每个user_id。 我尝试以下查询: SELECT MAX(num) as max_num, user_id, weekday
FROM (
SELECT COUNT(*) as num, user_id, weekday
FROM logins
GROUP BY user_id, weekday
) C
的SQL脚本 select eventid_nbr, trunc(received_date, 'DD'), sentindicator, count(eventid_nbr) as count
from eventlog
where received_date between to_date('2017-07-01, 10:00 A.M.','YYYY-MM-DD, HH:MI A.M.')