Bd oracle

Oracle9i

Database Administrator’s Guide

Release 2 (9.2)

March 2002 Part No. A96521-01

Oracle9i Database Administrator’s Guide, Release 2 (9.2) Part No. A96521-01 Copyright © 2001, 2002 Oracle Corporation. All rights reserved. Primary Author: Ruth Baylis Kathy Rich

Contributing Authors:

Graphic Designer: Valarie Moore Contributors: Lance Ashdown, Allen Brumm, MicheleCyran, Mary Ann Davidson, Harvey Eneman, Amit Ganesh, Carolyn Gray, Wei Huang, Robert Jenkins, Mark Kennedy, Sushil Kumar, Bill Lee, Yunrui Li, Diana Lorentz, Sujatha Muthulingam, Gary Ngai, Waleed Ojeil, Lois Price, Ananth Raghavan, Ann Rhee, Rajiv Sinha, Jags Srinivasan, Anh-Tuan Tran, Deborah Steiner, Janet Stern, Michael Stewart, Alex Tsukerman, Kothanda Umamageswaran, StevenWertheimer, Daniel Wong The Programs (which include both the software and documentation) contain proprietary information of Oracle Corporation; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent and other intellectual and industrial property laws. Reverse engineering, disassembly or decompilation of thePrograms, except to the extent required to obtain interoperability with other independently created software or as specified by law, is prohibited. The information contained in this document is subject to change without notice. If you find any problems in the documentation, please report them to us in writing. Oracle Corporation does not warrant that this document is error-free. Except as may beexpressly permitted in your license agreement for these Programs, no part of these Programs may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without the express written permission of Oracle Corporation. If the Programs are delivered to the U.S. Government or anyone licensing or using the programs on behalf of the U.S. Government,the following notice is applicable: Restricted Rights Notice Programs delivered subject to the DOD FAR Supplement are "commercial computer software" and use, duplication, and disclosure of the Programs, including documentation, shall be subject to the licensing restrictions set forth in the applicable Oracle license agreement. Otherwise, Programs delivered subject to the FederalAcquisition Regulations are "restricted computer software" and use, duplication, and disclosure of the Programs shall be subject to the restrictions in FAR 52.227-19, Commercial Computer Software - Restricted Rights (June, 1987). Oracle Corporation, 500 Oracle Parkway, Redwood City, CA 94065. The Programs are not intended for use in any nuclear, aviation, mass transit, medical, or otherinherently dangerous applications. It shall be the licensee's responsibility to take all appropriate fail-safe, backup, redundancy, and other measures to ensure the safe use of such applications if the Programs are used for such purposes, and Oracle Corporation disclaims liability for any damages caused by such use of the Programs. Oracle is a registered trademark, and Oracle9i, Oracle8i,Oracle8, Oracle7, Oracle Names, Oracle Store, Oracle Transparent Gateway, PL/SQL, SQL*Net, and SQL*Plus are trademarks or registered trademarks of Oracle Corporation. Other names may be trademarks of their respective owners.

Contents
Send Us Your Comments ............................................................................................................... xxxiPreface...................................................................................................................................................... xxxiii What’s New in Oracle9i? ................................................................................................................. xlvii Part I 1 Basic Database Administration

The Oracle Database Administrator
Types of Oracle...