How to implementing persistence of all kinds of object using relationship database is necessarily must be solved in Orient object programming.

在面向对象程序设计中，如何利用关系数据库实现各种不同对象的持久化是面向对象分析设计中必须要解决的问题。

youdao

Based on the idea of Object - Orient Programming, this software package combines graph, database and calculation as a whole and has successfully solved a practical problem.

该软件包基于面向对象的思想，使图形、数据库和计算等功能结合在一起，很好地解决了现场中的实际问题。

youdao

Based on the idea of Object - Orient Programming, this software package combines graph, database and calculation as a whole and has successfully solved a practical problem.

该软件包基于面向对象的思想，使图形、数据库和计算等功能结合在一起，很好地解决了现场中的实际问题。

youdao