create view my_view
as
select b1.name id1,b2.name id2,b3.name id3
from a,b b1,b b2,b b3
where a.id = b1.id
and a.id = b2.id
and a.id = b3.id
as
select b1.name id1,b2.name id2,b3.name id3
from a,b b1,b b2,b b3
where a.id = b1.id
and a.id = b2.id
and a.id = b3.id
解决方案 »
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