select a.id,count(b.ID) cnt
from
(SELECT DISTINCT ID FROM PeopleFlux) a
left outer join
PeopleFlux b
on a.ID=b.ID and b.age>40
group by a.id
from
(SELECT DISTINCT ID FROM PeopleFlux) a
left outer join
PeopleFlux b
on a.ID=b.ID and b.age>40
group by a.id
解决方案 »
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