| 1. | The mapping between global schema , export schema and local schema is presented based on the model , which solves the problem of mapping between jidm and relational data , xml files , object - oriented data model
在该模型的基础上,介绍了全局模式、输出模式以及局部模式之间的映射关系,解决了jidm模型与关系模型、 xml文件以及面向对象模型之间的映射问题。 |
