abstraction data

PDO ( PHP Data Objects )-A new native database abstraction layer providing performance, ease-of-use, and flexibility.

1最增的数据库抽象层用于提供对数据库访问的对象,拥有良好的性能, 易于使用和灵活性的特点.

The MetaModel Database is an abstraction only and does not actually hold any data: It is simply a model.

MetaModel数据库仅仅是一种抽象，并没有实际保存任何数据：它只是一个模型。

Data structure have been a difficult part in studying or programming because of its abstraction and theory profundity, and case-studying teaching and programming training with realistic model is the trend of teaching reform.

数据结构一向以它的抽象性和理论深度成为学习或编程的难点，结合现实模型进行案例分析式教学与编程训练是教学改革的趋势。

The data model of the topology graph of network and algorithm for topology abstraction were designed.

设计了网络拓扑图的数据模型与拓扑关系提取算法。

Term used to describe programs that use data abstraction, inheritance, and dynamic binding.

描述使用数据抽象 、 继承和动态绑定的程序的术语.