SQL Server 临时禁用和启用所有外键约束
--获得禁用所有外键约束的语句
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
--获得启用所有外键约束的语句
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
REF: http://topic.csdn.net/t/20030714/14/2025998.html