sql-server - 微软 SQL 错误 :Incorrect syntax near the keyword 'on'

Question

select * 
from other table inner join
(
select Count(*),
F1,F2,F3
from Table
group by F1,F2,F3
) on F1 = OtherF

关键字“on”附近的语法不正确。

Answer 1

您的子选择需要别名:

select * 
from other AS o 
inner join ( select Count(*), F1,F2,F3 
             from Table 
             group by F1,F2,F3 ) AS x on F1 = o.OtherF