https://www.nowcoder.com/practice/82ebd89f12cf48efba0fecb392e193dd?tpId=199&tags=&title=&difficulty=0&judgeStatus=0&rp=0&sourceUrl=examojpage1tabSQLE7AF87topicId199
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SQL3、查询结果去重
思路：去除重复项需要用到关键字DISTINCT 代码解释：从表user_profile中取出 去除了重复项的列university SELECT DISTINCT universi…