Database managment has evolved from a specialized computer application to a central component of a modern computing enbironment.As such,knowledge about database systems has become an essential part of an education in computer science.Our purpose in this text is to present the fundamental concepts of database management.These concepts include aspects of database design,database languages,and database-system implementation.

Preface

1 Introduction

2 Entiy-Relationship Model

3 Relational Mkdel

4 SQL

5 Other Relational Languages

6 Integrity Constraints

7 Relational Database Design

8 Object-Oriented Databases

9 Object-Relational Databases

10 Storage and File Structure

11 Indexing and Hashing

12 Query Processing

13 Transactions

14 Concurrency Control

15 Recovery System

16 Database System Architectures

17 Parallel Databases

18 Distrbuted Databases

19 Special Topics

20 Advanced Transaction Processing

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Buffer manager, which is responsible for fetching data from disk storage into main memory,and deciding what data to cache in memory.