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课程设计选题系统.pdf

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课程设计选题系统

课程设计选题系统课题名称：课程设计选题系统目录摘要·····························································································3 关键词·····························································································4 1 绪论 ·····························································································4 1.1 课题背景················································································4 1.1.1 选题系统出现的趋势4 1.1.2 课程设计管理系统的现状5 1.1.3 课程设计管理系统的新要求5 1.1.4 选题系统常用的实现技术5 1.2 本课题的研究意义····································································6 1.3 数据库技术概述·······································································6 1.3.1 数据库理论基础6 1.3.2 SQL Server 2000 数据库技术概述9 1.4 研究方法···············································································10 1.4.1 数据库应用系统开发简介 10 1.4.2 数据库应用系统开发背景 10 2 系统需求分析················································································11 2.1 需求分析的任务······································································12 2.2 系统功能介绍········································································12 2.3 系统的总体结构·····································································14 1 2.4 系统的业务流程分析································································17 2.5 系统数据流程分析··································································19 2.6 数据字典··············································································21 3 数据库概念结构设计 ······································································25 3.1 概念结构设计的方法与步骤·······················································25 3.2 设计E—R 图·········································································25