所以我试图在我的数据库上执行此查询:
select
count(*)
from (select
userID
from users
where rating> 1000
except (select
userID
from users
where rating > 1000
except select sellerID from auctions));
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我收到此错误:"错误:靠近第1行:靠近"(":语法错误"
任何帮助赞赏
如何使用它呢?这是合乎逻辑的等价物吗?
SELECT COUNT(*) FROM Users
WHERE Rating > 1000
AND UserID NOT IN (SELECT SellerID FROM Auctions)
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