题解 | #浙江大学用户题目回答情况#
浙江大学用户题目回答情况
https://www.nowcoder.com/practice/55f3d94c3f4d47b69833b335867c06c1
select
t1.device_id
,t2.question_id
,t2.result
from (
select
device_id
from
user_profile
where
university = '浙江大学'
) t1
join (select
question_id
,device_id
,result
from
question_practice_detail
)t2
on
(t1.device_id=t2.device_id)
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