野外数据采集系统数据字典的研制  

DEVELOPMENT OF DATA DICTIONARY FOR FIELD DATA CAPTURE SYSTEM

作　　者：韩志军[1] 汪新庆[1] 吴冲龙[1] 

机构地区：[1]中国地质大学地矿信息系统研究所,武汉430074

出　　处：《地球科学（中国地质大学学报）》1999年第5期539-541,共3页Earth Science-Journal of China University of Geosciences

基　　金：国土资源部"九五"重点科技攻关项目!9506002;国土资源部矿产资源定量预测及勘查评价开放研究实验室基金

摘　　要：数据字典在整个信息系统生命周期里都起着重要的作用以野外数据采集系统为例，介绍了数据字典研制的基本方法，详细分析了表属性字典、字段属性字典、表格字段字典、索引信息字典、数据约束字典以及存储各表格关系的关系字典等多种字典的数据结构特征．A data dictionary plays an important role in the life cycle of the whole information system. In this paper, is intreduced the basic method for the development of the data dictionary with the field data capture system as an example. Then a detailed analysis is made of data structural features in such dictionaries as the table attribute dictionary, the field attribute dictionary, the table field dictionary, the index information dictionary, the data constraint dictionary and the relation dictionary that can store various relationships between tables.

关 键 词：数据字典 野外数据采集 地质矿产 信息系统 

分 类 号：P628.4[天文地球—地质矿产勘探]