外鏈接在sqlserver和access之間的差別

access中的寫法：

select * from

((spaceports as a left join flights  as b  on a.spaceport_id=b.departure_city) 

left join passengers as c  on b.flight_id = c.flight_id)

sqlserver中的寫法：

select * from spaceports as a left join flights  as b 

on a.spaceport_id=b.departure_city 

left join passengers as c  on b.flight_id = c.flight_id