在关系数据库上实现OOSQL

Implementing OOSQL on Relational Database

本文对在关系数据库上实现面向对象的数据库语言OOSOL作了论述.由于面向对象的数据模型和关系模型是两种不同的数据模型,在实现时,所要考虑的问题就是如何利用关系数据库本身,并辅以数据词典的管理,来表示对象以及它们之间的语义联系.本文对OOSQL的DDL、DML到SQL的转换作了描述.

The implementation of OOSQL, an object-oriented database language, on a relational database is described in this paper. Because of the difference between object-oriented data model and relational data model, the problems considered are how to use the relational database itself, and how to represent objects and the semantic associations between them with data dictionary management, the transformation from DDL and DML of OOSQL to SQL is also described.