摘要
本文提出了元数据字典(DD),给出了它的模型和实现方法.元DD用于存储DD结构信息和完整性约束信息,使这些信息能从DD管理程序源代码中分离出来,因而就能够实现一个通用DD管理程序;不同软件系统可以采用结构不同的DD,这些DD的结构由元DD管理程序生成,所有DD均由一个通用DD管理程序来管理.
Meta-data-dictionary(MDD) is proposed,and its model and computer implementation are given. The information on the structure and integrity of DD's can be separated from the source code of their managers and stored in the MDD,thus a generalized DD manager can be implemented. With MDD,different DD frames,which are generated by the MDD manager,can be adopted to develop different software systems,and all DD's are managed by the generalized DD manager.
出处
《计算机学报》
EI
CSCD
北大核心
1994年第2期81-87,共7页
Chinese Journal of Computers
关键词
数据字典
元数据字典
软件工具
Datadictionary,meta-datadictionary, manager, software development