摘要
信息系统开发人员在开发系统之前都要进行数据的建模,介绍了主流的信息系统建模方法,比较得出ORM(Object-Role Modeling)建模方法优于其它建模方法之处,研究了ORM运用对象角色建模的原理和特点,并结合HRM系统中的一个案例详细说明了ORM建模的步骤和具体的应用过程。
Before information system being developed ,data modeling must be finished by developer. This paper introduces the main information modeling methods, knows that ORM excels other modeling methods by comparison, studies on the trait and process of ORM, illustrates the seven steps of ORM and application of ORM incorperation in HRM system in detail.
出处
《计算机与数字工程》
2006年第4期77-80,共4页
Computer & Digital Engineering
