This issue really highlights the difference between a database-style, entity-relationship (ER) worldview and an object-oriented (OO) worldview.
这个问题实际强调了数据库样式的实体关系(ER)世界观和面向对象(OO)世界观之间的不同。
This database system is developed on the based of relation model, and has been developed with the Object Oriented (OO) method.
该数据库系统的开发工作是基于关系模型,并用面向对象的方法进行了扩展。
This database system is developed on the based of relation model, and has been developed with the Object Oriented (OO) method.
该数据库系统的开发工作是基于关系模型,并用面向对象的方法进行了扩展。
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