下载后可任意编辑人事管理系统规划12024 年 6 月 23 日下载后可任意编辑概述: ··························································3一、 需求分析: ··················································31．1用户需求··············································31．2业务流程分析··········································31．3信息需求分析··········································4 1．3．1资料收集·········································5 1．3．2事项( 数据项) 分析·······························61．4功能需求··············································7二、 数据库概念模型设计:22024 年 6 月 23 日下载后可任意编辑 ········································8 初始ERD················································8 改进ERD················································9三、 数据库逻辑模型设计·········································103 ． 1 一 般 逻 辑 模 型 设 计 — — ERD 转 换 为 一 般 关 系 模型···············103．2、 具体逻辑模型设计 ········································12――把一般关系模型转换成具体 DBMS 支持的逻辑结构四、 数 据 库 物 理 设 计 与 数 据 文 件 保 护 设计···························16 4．1设计索引 ·················································16 4．2设计表间关系 ······································...
