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anonymous2022
V2EX  ›  MySQL

请教 sql 统计查询

  •  
  •   anonymous2022 · Feb 7, 2021 · 2877 views
    This topic created in 2058 days ago, the information mentioned may be changed or developed.

    表

    |ID |uin |nickname|
    |----|----|----|
    |1 |1234 |张三|
    |2 |1234 |张三|
    |3 |1234 |张三|
    | 4 |1234 |张三|
    | 5 |1234 |张三|
    |6 |2345 |李四|
    |7 |2345 |李四|
    |8 |2345 |李四|
    |9 |2345 |李四|
    |10 |2345 |李四|
    |11 |3456 |王五|


    目标结果

    |uin_count |nickname |uin|
    |----|----|----|
    |5 |张三 |1234|
    |4 |李四 |2345|
    |1 |王五 |3456|

    现在只会如下
    sql<br>SELECT COUNT(uin) as uin_count,nickname<br>FROM Commin<br>GROUP BY nickname<br>ORDER BY COUNT(uin) desc<br>
    希望有人帮解答,谢谢

    liujavamail
        1
    liujavamail  
       Feb 7, 2021
    这样不就可以了么?
    anonymous2022
        2
    anonymous2022  
    OP
       Feb 7, 2021 via iPhone
    @liujavamail 结果里没有显示 uin
    NotFoundEgg
        3
    NotFoundEgg  
       Feb 7, 2021
    SELECT COUNT(uin) as uin_count,nickname,uin
    FROM Commin
    GROUP BY nickname,uin
    ORDER BY COUNT(uin) desc

    这样?
    fiypig
        4
    fiypig  
       Feb 7, 2021
    加个 uin 不就可以了
    c6h6benzene
        5
    c6h6benzene  
       Feb 7, 2021 via iPhone
    作业还是要自己完成…
    anonymous2022
        6
    anonymous2022  
    OP
       Feb 7, 2021
    @NotFoundEgg 是我愚笨了,谢。
    PAwang
        7
    PAwang  
       Feb 7, 2021
    。。。 草 这不就是加个 uin 就行了吗
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