日期:2014-05-18 浏览次数:20504 次
--> 或者 select t1.category,t2.category,t1.category+t2.category as [t3.category] from dbo.Product_category_table t1 join dbo.Product_category_table t2 on t1.id=t2.superid
------解决方案--------------------
select t1.category,t2.category,t1.category+t2.category as [t3.category ]
from
dbo.Product_category_table t1
join
dbo.Product_category_table
t2
on
t1.id=t2.superid