Many tools can help you in creating a good database schema, just as many tools can assist in designing object-oriented systems.

许多工具都能帮助您创建良好的数据库模式，就好像许多工具都能协助设计面向对象的系统一样。

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In this paper, based on a schema translation from Object-Oriented Database (OODB) to Relational Database (RDB), it proposes an algorithm for translating OODB query to RDB query.

文章基于从面向对象数据库(OODB)到关系数据库(rdb)的模式转换，提出了一种从面向对象数据库查询到关系数据库查询的转换算法。

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