--查已知列名的情况
select b.name as tbleName, a.name as columnname
From syscolumns a, sysobjects b
where a.id=b.id and b.type='U' and a.name='Cincode'
--查未知列名的情况
select o.name as tablename, s1.name as columnname
from syscolumns s1, sysobjects o
where s1.id = o.id
and o.type = 'U'
and Exists
( select 1 from syscolumns s2 where s1.name = s2.name and s1.id <> s2.id)