sql - 选择总体最高出价

Question

我有用户表如下：

Userid| Username |city| state

这里userid是主键并且有一个出价表

Userid|seller|iid|starttime|bidtime|bidprice

这里 userid,seller,iid 构成主键

我想编写一个 sql 查询，以便显示总体出价最多的人的用户 ID 和姓名。我写的查询如下：

select u.userid,u.uname from user1 u, bid b where u.userid=b.bidder and
b.bidder=(select max(c) from (select count(*) as c, bidder from bid group by bidder));

但在这种情况下，内部选择显示不满足给定条件的最大值。我需要一些帮助来解决这个问题

Answer 1

这似乎是一种更简单的方法来实现这一点。

SELECT TOP 1 u.*
FROM User1 u
JOIN bid b ON (u.userid=b.bidder)
ORDER BY Count(b.*)

Answer 2

select userid, uname from user1 
where userid in 
(select bidder from bid group by bidder having count(bidder) = 
(select max(c) from (select count(*) as c, bidder from bid group by bidder)));