摘要
本文介绍了一种改进后的瀑布模型，将原模型中需求分析阶段细分为用户需求分析、数据库表设计和系统分析三个阶段，并对改进的原因及意义做了说明．文中还详细介绍了用户分析阶段所采用的技术和文档．最后，文中给出了信息流程图及其相应数据字典；并列出了编制规则．
In this paper,we introduce improved waterfall model,and divide requirement analy-sis stage of orignal model into consumer requirement analysis,database design and system analysis.Atthe same time,We introduce why to improve the orignal requirement analysis stage.The paper describesdetailedly adopted techniques and text reeords of consumer analysis stage.At last,we provide informa-tion flowing diagral,the principle of their data dictionaries, and listed establishment rules.
出处
《河南师范大学学报（自然科学版）》
CAS
CSCD
1994年第3期71-73,共3页
Journal of Henan Normal University(Natural Science Edition)
关键词
瀑布模型
MIS
数据库
管理系统
waterfall model
MIS
requirement analysis
data table
