3.4.1 单表查询 3.4.2 连接查询 3.4.3 嵌套查询 3.4.4 集合查询 3.4.5 Select语句的一般形式

一、 问题的提出 1、数据库的一大特点是数据可以共享 2、数据共享必然带来数据库的安全性问题 3、 数据库系统中的数据共享不能是无条件的共享

6.1 问题的提出 6.2 规范化 6.3 数据依赖的公理系统 6.4 模式的分解 6.5 小结

7.3.1 概念结构 7.3.2 概念结构设计的方法与步骤 7.3.3 数据抽象与局部视图设计 7.3.4 视图的集成

8.1 嵌入式SQL 8.2 存储过程 8.3 ODBC编程

All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher

All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher

All rights reserved. Manufactured in the United States of America. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be repro￾duced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 0-07-141799-0

中国人民大学：《数据库系统概论 An Introduction to Database System》课程教学资源（PPT课件讲稿）第一章 绪论（1.1-1.2）数据库系统概述、数据模型

1.1 数据库系统概述 1.2 数据模型 1.3 数据库系统结构 1.4 数据库系统的组成 1.5 数据库技术的研究领域 1.6 小结