摘要
在数据库中应用触发器,可以使数据库的设计变得简洁和高效,并且触发器的设计与前台无关,免除了前台相关的数据操作设计。文中结合系统开发,通过一个例子具体说明了在PowerBuilder中如何用触发器来记载历史记录。
The design of database can become easy and effective through using the trigger.And the design of trigger has no touch with client. Combining with the developing practices, this article introduces how to operate the trigger to remember the information in powerbuilder.
出处
《微机发展》
2003年第a01期92-93,109,共3页
Microcomputer Development
