Oracle object technology is a layer of abstraction built on Oracle relational technology. New object types can be created from any built-in database types and any previously created object types, object references, and collection types. Metadata for user-defined types is stored in a schema that is available to SQL, PL/SQL, Java, and other published interfaces | ORACLE Oracle Database Application Developer s Guide - Object-Relational Features 10g Release 1 Part No. B10799-01 December 2003 Oracle Database Application Developer s Guide - Object-Relational Features 10g Release 1 Part No. B10799-01 Copyright 1996 2003 Oracle Corporation. All rights reserved. Contributors Geeta Arora Eric Belden Chandrasekharan Iyer Geoff Lee Anand Manikutty Valarie Moore Magdi Morsi Helen Yeh Adiel Yoaz Qin Yu 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 the Programs 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 be expressly 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 . Government or anyone licensing or using the programs on behalf of the . 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 Federal Acquisition Regulations are restricted .