OCP: Oracle8i DBA Architecture & Administration and Backup & Recovery Study Guide Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com OCP: Oracle8i™ DBA Architecture & Administration and Backup & Recovery Study Guide Doug Stuns Biju Thomas San Francisco • Paris • Düsseldorf • Soest • London Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com Associate Publisher: Richard Mills Contracts and Licensing Manager: Kristine O’Callaghan Acquisitions and Developmental Editors: Kim Goodfriend, Richard Mills Editor: Sharon Wilkey Production Editor: Leslie E H Light Technical Editors: Bob Bryla, Betty MacEwen Book Designer: Bill Gibson Graphic Illustrator: epic Electronic Publishing Specialists: Bill Gibson, Jill Niles, Judy Fung, Nila Nichols, Susie Hendrickson Proofreaders: Laurie OConnell, Nancy Riddiough, Camera Obscura Indexer: Ted Laux CD Coordinator: Kara Eve Schwartz CD Technicians: Keith McNeil, Siobhan Dowling Cover Designer: Archer Design Cover Illustrator/Photographer: Photo 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shareware Copyright laws apply to both shareware and ordinary commercial software, and the copyright Owner(s) retains all rights If you try a shareware program and continue using it, you are expected to register it Individual programs differ on details of trial periods, registration, and payment Please observe the requirements stated in appropriate files Copy Protection The Software in whole or in part may or may not be copyprotected or encrypted However, in all cases, reselling or redistributing these files without authorization is expressly forbidden except as specifically provided for by the Owner(s) therein Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com To Cathy—Doug Stuns To Shiji—Biju Thomas Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com Acknowledgments First, I want to thank the Lord, my savior, for making this all possible Next, my parents, Ron and Jan Stuns, for without them I would not be who I am and would not have had the fortitude necessary to write this book My parents have been there for me throughout my life and have supported everything that I have done My lovely wife of 11 years, Cathy, has been my major support in this process and encouraged me to start this task knowing full well of the time commitment She is always my biggest and best supporter in every circumstance I am so happy that she has been there to support me throughout My wonderful children, Brant and Brea, and years of age, have supported and tolerated me through this process as well The many hours away from them has been difficult for each of us, but their understanding has been incredible Brant and Brea went so far as to join me in the den pretending to help write and review sections so that we could spend more time together Without their understanding and support, I would not have been able to complete this task I am so proud of them both Numerous other people have helped to contribute to the completion and ultimate success of this project, and I owe them sincere appreciation I want to thank Rick and Matt for reviewing questions and other technical materials I am greatly thankful to the staff at Sybex First, Technical Editors Bob Bryla and Betty MacEwen, for their diligent work and attention to detail Next, Editor Sharon Wilkey, whose great efforts to correct and smooth out some rough edges made this process much easier Production Editor Leslie E H Light was always there to help in any way possible I also thank Associate Publisher Richard Mills for his support and follow-through Unseen, but not unappreciated, Bill Gibson, Jill Niles, and the rest of the Electronic Publishing Specialists at Sybex created the look you see here and made sure each page was a marriage of form and function.It has been my pleasure to work with all of you Finally, I want to thank all of the many professional people whom I have had the privilege to work with in my career I have learned much and owe many thanks! —Doug Stuns Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com viii Acknowledgments I would like to thank Richard and Leslie for their help, guidance, and patience throughout the process of writing this book Thank you, Sharon, for the edits and suggestions—your hard work certainly helped to complete the project on time Bob and Betty, your technical reviews helped enormously to raise the quality of this book—thank you Bill and Jill, you made this book look great Thank you also I also thank Wendy and all my colleagues for their never-failing support— you are a great team to work with I thank my friends for inspiring and encouraging me Finally, I owe big thanks to my wife, Shiji, who gave me all the support when I needed it the most Thank you for giving up your weekends and evenings when I was working on this book —Biju Thomas Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com Introduction There is high demand and competition for professionals in the Information Technology (IT) industry, and the Oracle Certified Professional (OCP) certification is the hottest credential in the database realm You have made the right decision to pursue certification Being an OCP will give you a distinct advantage in this highly competitive market Many readers may already be familiar with the Oracle Corporation and its products and services For those who aren’t familiar with the company, Oracle Corporation, founded in 1977, is the world’s leading database company and second largest independent software company, with revenues of more than $9.7 billion and clients in more than 145 countries Oracle’s CEO, Lawrence J Ellison, saw the future of information technology in Internet computing, and the Oracle8i database was created to meet the needs of this technological evolution This book is intended to help you continue on your exciting new path toward obtaining the Oracle8i certified database administrator certification The book will give you the necessary knowledge of the Oracle Server architecture and the hands-on skills you need to pass Exams 1Z0-023 and 1Z0025 Although the OCP exams for Database Administration can be taken in any order, it is generally recommended that the Oracle8i OCP certification exam for Architecture and Administration and the Oracle8i OCP certification exam for Backup and Recovery be the final exams taken in the series Why Become an Oracle Certified Professional? The number one reason to become an Oracle Certified Professional is to gain more visibility and greater access to the industry’s most challenging opportunities The OCP program is Oracle’s commitment to provide top-quality resources for technical professionals who want to become Oracle specialists in specific job roles The certification tests are scenario based, which is the most effective way to access your hands-on expertise and critical problemsolving skills Certification is proof of your knowledge and shows that you have the skills required to support Oracle’s core products according to the standards established by Oracle The OCP program can help a company identify proven performers who have demonstrated their skills to support the company’s Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com xxvi Introduction investment in Oracle technology It demonstrates that you have a solid understanding of your job role and the Oracle products used in that role So, whether you are beginning a career, changing careers, securing your present position, or seeking to refine and promote your position, this book is for you! Oracle Certifications Oracle has several certification tracks designed to meet different skill levels Each track consists of several tests that can be taken in any order The following tracks are available: Oracle Database Administrator Oracle Application Developer Oracle Database Operator Oracle Java Developer Oracle Financial Applications Consultant Oracle Database Administrator (DBA) The role of Database Administrator (DBA) has become a key to success in today’s highly complex database systems The best DBAs work behind the scenes, but are in the spotlight when critical issues arise They plan, create, and maintain databases to ensure that the databases meet the data management needs of the business DBAs also monitor the databases for performance issues and work to prevent unscheduled downtime Being an effective DBA requires a broad understanding of the architecture of Oracle databases and expertise in solving system-related problems The Oracle8i certified administrator track consists of the following five tests: 1Z0-001: Introduction to Oracle—SQL and PL/SQL 1Z0-023: Oracle8i—Architecture and Administration 1Z0-024: Oracle8i—Performance and Tuning 1Z0-025: Oracle8i—Backup and Recovery 1Z0-026: Oracle8i—Network Administration Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com Introduction xxvii Oracle Application Developer This track tests your skills in client-server and Web-based application development using Oracle application development tools such as Developer/2000, SQL, PL/SQL, and SQL*Plus The following five tests comprise this track: 1Z0-001: Introduction to Oracle—SQL and PL/SQL 1Z0-101: Develop PL/SQL Program Units 1Z0-111: Developer/2000 Forms 4.5 I 1Z0-112: Developer/2000 Forms 4.5 II 1Z0-113: Developer/2000 Reports 2.5 Oracle Database Operator (DBO) A Database Operator (DBO) performs simple operational tasks on Oracle databases in a support role to the DBA DBOs need an introductory knowledge of the commands and utilities associated with managing a database DBOs also install and set up databases, create users, and perform routine backups You need to take the following test to be certified as a Database Operator: 1Z0-401: Database Operator Oracle Java Developer This certification track is part of the Certification Initiative for Enterprise Development, a multi-vendor collaboration with Sun Microsystems, IBM, Novell, and the Sun-Netscape Alliance to establish standards for knowledge and skill levels for enterprise developers in the Java technology The Initiative recognizes three levels of certification requiring five tests At each skill level, a certificate is awarded to candidates who successfully pass the required exams in that level Level 1: Sun Certified Programmer 1Z0-501: Sun Certified Programmer for the Java Platform Level 2: Certified Solution Developer 1Z1-502: Oracle JDeveloper: Develop Database Applications with Java (Oracle JDeveloper, Release 2) Copyright ©2000 SYBEX , Inc., Alameda, CA www.sybex.com ... SQL & PL/SQL 57 39 68% OCP: Oracle8i? ?? DBA SQL and PL/SQL Study Guide 1Z0-023 Oracle8i: Architecture and Administration 65 38 58% OCP: Oracle8i? ?? DBA Architecture & Administration and Backup & Recovery. .. 57% OCP: Oracle8i? ?? DBA Architecture & Administration and Backup & Recovery Study Guide 1Z0-026 Oracle8i: Network Administration 59 41 71% OCP: Oracle8i? ?? DBA Performance Tuning and Network Administration. .. Recovery Study Guide 1Z0-024 Oracle8i: Performance and Tuning 57 38 67% OCP: Oracle8i? ?? DBA Performance Tuning and Network Administration Study Guide 1Z0-025 Oracle8i: Backup and Recovery 60 34 57% OCP: