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浙江大学用户题目回答情况
http://www.nowcoder.com/practice/55f3d94c3f4d47b69833b335867c06c1
select question_practice_detail.device_id,question_practice_detail.question_id ,question_practice_detail.result from question_practice_detail,user_profile where user_profile.university = "浙江大学" && user_profile.device_id=question_practice_detail.device_id order by question_id
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