--允许系统表更新

--允许系统表更新
exec sp_configure 'allow updates','1'
go
reconfigure with override
go

--更新系统表
update sysobjects
set name=lower(name)
where xtype='U'

update syscolumns
set name=lower(A.name)
from syscolumns A
join sysobjects B on A.ID=B.ID and B.xtype='U'

--还原默认设置
exec sp_configure 'allow updates','0'
go
reconfigure with override
go