Oracle数据库架构深入解析(第2版)

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"Expert Oracle Database Architecture(2nd Edition).pdf,本书深入且系统地探讨了Oracle9i、10g和11g的开发技术,由Oracle专家Thomas Kyte撰写, Jonathan Lewis和Ken Jacobs(aka“Dr.DBA”)作序。" 在《Expert Oracle Database Architecture》第二版中,作者Thomas Kyte向读者提供了Oracle数据库9i、10g和11g的编程技巧和解决方案。这本书是Oracle技术领域的权威之作,旨在帮助读者充分利用Oracle的技术潜力。书中的内容深入而全面,涵盖了数据库设计、性能优化、存储结构、事务处理、并发控制、备份与恢复等多个核心领域。 1. **数据库设计**:书中详细阐述了如何进行高效且可扩展的数据库设计,包括表空间和数据文件的管理,以及索引策略的制定,确保数据的快速访问和良好的系统性能。 2. **性能优化**:Kyte讨论了Oracle的查询优化器工作原理,讲解如何通过分析执行计划、调整SQL语句和优化数据库参数来提升系统性能。他还深入解析了统计信息的重要性,以及如何收集和使用这些信息来指导优化。 3. **存储结构**:书中涵盖了Oracle的数据块、行、列族等存储结构,以及如何利用分区和压缩技术来提高数据存储效率。 4. **事务处理与并发控制**:讲解了Oracle的事务理论,包括提交、回滚和并发问题,如死锁和幻读,并介绍了行级锁定和多版本并发控制(MVCC)机制。 5. **备份与恢复**:提供了关于Oracle备份和恢复的最佳实践,包括RMAN(恢复管理器)的使用,以及如何建立有效的数据保护策略。 6. **高级特性**:书中还涉及了Oracle的一些高级特性,如 materialized views、 flashback technology 和实时应用集群(RAC),以及如何在分布式环境中实现高可用性和灾难恢复。 7. **案例研究与实践**:通过实例和实际问题的解决,Kyte强调了理论知识的实际应用,鼓励读者采用证明有效的示例方法,培养出理性解决问题的能力。 8. **专家视角**:由Oracle公司产品策略副总裁Ken Jacobs(“Dr.DBA”)和知名Oracle专家Jonathan Lewis作序,进一步提升了本书的专业性和可信度。 《Expert Oracle Database Architecture》第二版是Oracle数据库管理员、开发者和架构师的重要参考资料,它提供了丰富的实践经验和深入的技术见解,有助于读者提升在Oracle平台上的专业技能。无论是对初学者还是经验丰富的专业人士,这本书都具有很高的学习价值。
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The inspiration for the material contained in this book comes from my experiences developing Oracle software, and from working with fellow Oracle developers to help them build reliable and robust applications based on the Oracle database. The book is basically a reflection of what I do every day and of the issues I see people encountering each and every day. I covered what I felt was most relevant, namely the Oracle database and its architecture. I could have written a similarly titled book explaining how to develop an application using a specific language and architecture—for example, one using JavaServer Pages that speaks to Enterprise JavaBeans, which in turn uses JDBC to communicate with Oracle. However, at the end of the day, you really do need to understand the topics covered in this book in order to build such an application successfully. This book deals with what I believe needs to be universally known to develop successfully with Oracle, whether you are a Visual Basic programmer using ODBC, a Java programmer using EJBs and JDBC, or a Perl programmer using DBI Perl. This book does not promote any specific application architecture; it does not compare three tier to client/server. Rather, it covers what the database can do and what you must understand about the way it works. Since the database is at the heart of any application architecture, the book should have a broad audience. As the title suggests, Expert Oracle Database Architecture concentrates on the database architecture and how the database itself works. I cover the Oracle database architecture in depth: the files, memory structures, and processes that comprise an Oracle database and instance. I then move on to discuss important database topics such as locking, concurrency controls, how transactions work, and redo and undo, and why it is important for you to know about these things. Lastly, I examine the physical structures in the database such as tables, indexes, and datatypes, covering techniques for making optimal use of them.