说明：  学会如何使用SQL来创建高效的数据库、高效地提取数据，以及如何管理从数据库性能到数据库安全的各项工作。本书采用直观、循序渐进的方法，引导读者通过各种练习掌握实际操作技巧。读者将学习从基础知识到高级技术在内的所有SQL相关内容——包括视图、事务、Web数据发布，以及Oracle和MicrosoftSQLServer对SQL的扩展。本书每章内容都建立在已学的知识之上，即使读者没有任何SQL知识，也可以通过本书，走向成功的坚实道路。
(Learn how to use SQL to create efficient databases, extract data efficiently, and manage everything from database performance to database security. This book adopts an intuitive, step-by-step approach to guide readers to master practical operation skills through various exercises. Readers will learn all SQL-related content, from basic knowledge to advanced technology, including views, transactions, Web data publishing, and the extensions of Oracle and Microsoft SQL Server to SQL. Every chapter of this book is based on what you have learned. Even if the reader does not have any knowledge of SQL, you can go to a solid road to success through this book.)