计算用户消费总额， MySQL 查询问题请教？ - V2EX
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V2EX    MySQL

计算用户消费总额， MySQL 查询问题请教？

  •   
  •   fatebe 2016-10-11 16:01:07 +08:00 5768 次点击
    这是一个创建于 3361 天前的主题，其中的信息可能已经有所发展或是发生改变。

    目前有两表，一个用户信息表(users),一个消费记录表(shopping)。

    想要查询有消费记录的用户信息，并计算出消费总额。

    我尝试如下 select u.id,u.name,f.money from data.users u ,data.shopping s where s.users_id = u.id

    但这样查询出来的每条单独的消费记录和用户信息，我想将消费总金额合并 SUM(money),最终显示出每个用户的消费总金额，请问该如何写？

  • 消费
  • users
  • Data
  • 查询
    5 条回复    2016-10-11 16:32:27 +08:00
    Hyeongo
        1
    Hyeongo  
       2016-10-11 16:09:01 +08:00 via iPhone
    group by
    SeanChense
        2
    SeanChense  
       2016-10-11 16:11:00 +08:00
    `select u.id,u.name, SUM(f.money) from data.users u ,data.shopping s where s.users_id = u.id group by u.id`

    酱紫？
    alouha
        3
    alouha  
       2016-10-11 16:20:59 +08:00
    select shop.*,u.name,u.uid (select SUM(money) as s,id from shopping group by uid ) as shop,users where shop.id=u.users_id
    fatebe
        4
    fatebe  
    OP
       2016-10-11 16:23:27 +08:00
    @Hyeongo
    @SeanChense
    厉害了我的哥，是要这个效果
    刚开始学习，感谢。
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