批量替换数据库所有表中的内容

写个东东用来搞定数据库中的恶意脚本代码

select

'update ['+s.name + '] set ['+c.name+']=' +'replace(['+c.name+'],''小白'','''')'

from sysobjects s,syscolumns c,systypes t

where s.type='u' and s.id=c.id

AND OBJECTPROPERTY(s.id,N'IsUserTable')=1

AND c.xusertype=t.xusertype

AND t.name IN('varchar','nvarchar','char','nchar')

union

select

'update ['+s.name + '] set ['+c.name+']=' +'replace(Cast(['+c.name+'] as varchar(8000)),''小白'','''')'

from sysobjects s,syscolumns c,systypes t

where s.type='u' and s.id=c.id

AND OBJECTPROPERTY(s.id,N'IsUserTable')=1

AND c.xusertype=t.xusertype

AND t.name IN('text','ntext')