select branch-name ,avg-balance
from (select branch-name ,avg(balance) avg-balance
from account
group by branch-name)
as result
where avg-balance > 1200
from (select branch-name ,avg(balance) avg-balance
from account
group by branch-name)
as result
where avg-balance > 1200
更恐怖的是有人竟然过了零点还来赞美bobo,不会是托儿吧?
Muhahahahahaah