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