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                ## 子查詢 * 查詢支持嵌套使用 * 查詢各學生的語文、數學、英語的成績 ~~~ select sname, (select sco.score from scores sco inner join subjects sub on sco.subid=sub.id where sub.stitle='語文' and stuid=stu.id) as 語文, (select sco.score from scores sco inner join subjects sub on sco.subid=sub.id where sub.stitle='數學' and stuid=stu.id) as 數學, (select sco.score from scores sco inner join subjects sub on sco.subid=sub.id where sub.stitle='英語' and stuid=stu.id) as 英語 from students stu; ~~~
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