select a.objectid,b.name ,c.name
from
(select distinct objectid from father1
union
select distinct objectid from father2) a, father1 b, father2 c
where a.objectid(+)=b.objectid and a.objectid= (+)c.objectid
from
(select distinct objectid from father1
union
select distinct objectid from father2) a, father1 b, father2 c
where a.objectid(+)=b.objectid and a.objectid= (+)c.objectid
解决方案 »
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