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 qpd.device_id, qpd.question_id, qpd.result from question_practice_detail qpd INNER JOIN user_profile up on qpd.device_id = up.device_id WHERE up.university = "浙江大学";
from A JOIN B ON A.id=B.id JOIN C ON B.no=C.no WHERE A.status=1 AND C.type=2
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