交通运输系统工程与信息

交通运输系统工程与信息 ›› 2006, Vol. 6 ›› Issue (1): 60-63 .

• 智能交通系统与信息技术 • 上一篇    下一篇

旅客列车开行方案决策支持系统的数据库需求分析

曾立雄，查伟雄   

  1. 华东交通大学交通运输与经济研究所，南昌330013
  • 收稿日期:2005-09-09 修回日期:1900-01-01 出版日期:2006-02-20 发布日期:2006-02-20

Database Requirement Analysis of
Passenger Train Decision Support System

ZENG Li-xiong，ZHA Wei-xiong   

  1. East China Jiaotong University, Transportation and Economic Institute, Nanchang 330013，China
  • Received:2005-09-09 Revised:1900-01-01 Online:2006-02-20 Published:2006-02-20

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被引次数

26

摘要： 需求分析是数据库设计的重要阶段.在充分考虑用户需求的基础上分析了与
旅客列车数据库相关的信息，对旅客列车开行方案决策支持系统进行了数据库需求分析，形成了该系统的数据流程图和数据字典，并进行了相应的概要设计，从而为该系统的数据库设计乃至后面的系统开发打下了良好的基础.

关键词: 旅客列车开行方案, 需求分析, 数据流程图, 数据字典

Abstract: Requirement analyzing is an important phrase of database design. Based on a full consideration of the user’s requirements, an analysis on the information related to the database is given. A requirement analysis of the Decision supporting system of passenger train, its data flow diagram, data dictionary and general design are formed which has laid a good foundation for the specific database designing and later system development.

Key words: Passenger train plan, Requirement analyzing, Data flow diagram, Data dictionary