使用触发器维护数据的相关完整性

Using Trigger to Maintain Data's Referential Integrity

描述了在数据库应用系统中利用触发器维护数据相关完整性的实际意义：介绍了在SYBASE数据库应用系统中创建和删除触发器的基本语法，并对触发器涉及的临时表和全局变量进行了说明：给出了使用触发器维护数据相关完整性的应用方法和应用实例。

This paper describes the realistic significance of using trigger to maintain data's referential integrity in database application system. The basic grammar of creating trigger and deleteing trigger in sybase database application system are introduced, and the temporary table and global variable refered are discussed. At last, the application method and example of using trigger to maintain data's referential integrity are also presented.