对象关系数据的数据建模能力及Oracle8的对象关系特性研究

Study of Data Modeling Capability of Object-relation Dataand Oracle8 Object-relation Properties

分析了ＲＤＢ、ＯＯＤＢ和对象关系数据库数据模型的特点，并从数据模型描述现实世界实体及其联系能力的角度讨论了对象关系数据库的本质。最后，介绍了新一代数据库Ｏｒａｃｌｅｓ在对象关系方面的扩展。

This paper analyses RDB, OODB and data modeling properties of the object-relation database, and discusses the nature of theObject-relation database from the viewpoint of data modeling description of the capability of entities and relationships in the real world.Finally, the paper introduces an extension of a new algebraic database, Oracles, to the object-relation.