数据字典描述语言的研究与设计

Research and design on data dictionary description language

在软件工程中 ,软件开发的基础工作是用户需求的获取与分析 ,而数据字典是用户需求说明书的重要组成部分。本文首先介绍了数据库设计过程中所涉及到的用户需求分析 ,对此进行了详细的说明。其次 ,给出了数据字典的形式化语言 ,并对其中的细节给出了必要的说明。通过对用户需求进行分析 ,并用此语言对其进行描述 。

In software engineering, obtaining and analyzing user' requirement is basic jobs of software development. Data Dictionary is important part of user requirement illustrate. In this paper, at first the authors introduce user requirement analyzing in database design. Second, the authors present formalization description language of data dictionary and account for its detail. By analyzing user requirement, describe it and write user requirement illustrate in the language.