select 'ALTER TABLE [' + b.name + '] NOCHECK CONSTRAINT ' + a.name +';' as 禁用约束
from sysobjects a ,sysobjects b
where a.xtype ='f' and a.parent_obj = b.id
select 'ALTER TABLE [' + b.name + '] CHECK CONSTRAINT ' + a.name +';' as 启用约束
from sysobjects a ,sysobjects b
where a.xtype ='f' and a.parent_obj = b.id