需要按天拆分以下样本
(select count(*) c from cdrquery t, calend t2 where trunc(to_date(t.data_start_talk1,'YYYY-MM-DD HH24:MI:SS'))=t2.num_day and t.redirect_num1='8800'
and trunc(to_date(t.data_start_talk1,'YYYY-MM-DD-HH24:MI:SS')) between '01.06.2020' and '30.06.2020'
and substr(t.data_start_talk1,12,100) between '00:00:00' and '08:59:59'
and t2.weekend=0 and t.type_output='user-service')
让它看起来像这样
01.06.2020 5
02.06.2020 10
...
29.06.2020 0
30.06.2020 15
您需要添加到您的请求
GROUP BY: