更新SQL SERVER中所有表中包含字段为[Nd]的表值数据

select a.[id], a.[name],b.name,
'UPDATE '+ a.name+ ' SET Nd=''2015''' + ' where Nd=''2014''' from [sysobjects] a left join [syscolumns] b 
on a.id=b.id
where a.[type] = 'u' and b.name='Nd'
order by a.name

 查询出数据，拼出SQL字符串，然后执行它