摘要
文章介绍了数据完整性的概念,关系数据库中数据完整性的类型,并通过实例重点分析了在SQLServer2000中如何通过外键约束、触发器来保证数据的参照完整性。
This paper introduces the concept of data integrity,the type of data integrity in the relational database,and gives an example to analyze how the SQL server 2000 ensures referential integrity of data through the foreign key constraints,triggers.
