Database_theory

说明：  本书是在波士顿马萨诸塞大学数据库入门和提高等一系列教材的基础上写成的，从理论和实际两方面详细介绍了数据库的设计和实现。本书把重点放在对象－关系模型上，介绍了Oracle、DB2和Informix系统中普遍采用的新概念，并在结合数据库的基本原理和主要的商业数据库产品的基础上介绍了SQL-99。本书涵盖了关系数据库理论、SQL语言、数据库设计以及数据库完整性、视图、安全性、索引、事务管理等各个方面的内容。 本书是计算机专业学生的一本理想教材，对于数据库设计者和实现者也是一本优秀的参考书。
(This book is based on the University of Massachusetts Boston entry and improve a series of textbooks on the written, theoretical and practical aspects of the detailed design and implementation of the . This book focuses on the object- the relational model, we introduced a new concept of Oracle, DB2 and Informix systems are widely used, and on the basis of the basic principles of combining and the major commercial products, introduced the SQL-99. The book covers the relational theory, the contents of the SQL language, design and integrity, views, security, indexing, transaction management and other aspects. This book is a computer science student textbook ideal for designers and implementers is an excellent reference book.)