Database Upgrade Guide - Oracle

1 Oracle DatabaseDatabase Upgrade Guide19cE96252-47 December 2022 Oracle Database Database Upgrade Guide , 19cE96252-47 Copyright 1996, 2022, Oracle and/or its Author: Douglas WilliamsContributors: Drew Adams, Pablo Sainz Albanez, Frederick Alvarez, Yasin Baskan, Subhransu Basu, RaeBurns, Rhonda Day, Mike Dietrich, Joseph Errede, Daniel Overby Hansen, Yuan Hao, SubrahmanyamKodavaluru, Jai Krisnani, Cindy Lim, Valarie Moore, Byron Motta, Satish Panchumarthy, Geetha Ravi, CarolTagliaferri, Hector VieyraThis software and related documentation are provided under a license agreement containing restrictions onuse and disclosure and are protected by intellectual property laws.

2 Except as expressly permitted in yourlicense agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license,transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverseengineering, disassembly, or decompilation of this software, unless required by law for interoperability, information contained herein is subject to change without notice and is not warranted to be error-free. Ifyou find any errors, please report them to us in this is software, software documentation, data (as defined in the Federal Acquisition Regulation), or relateddocumentation that is delivered to the Government or anyone licensing it on behalf of the , then the following notice is GOVERNMENT END USERS.

3 Oracle programs (including any operating system, integrated software,any programs embedded, installed, or activated on delivered hardware, and modifications of such programs)and Oracle computer documentation or other Oracle data delivered to or accessed by Government endusers are "commercial computer software," "commercial computer software documentation," or "limited rightsdata" pursuant to the applicable Federal Acquisition Regulation and agency-specific supplementalregulations. As such, the use, reproduction, duplication, release, display, disclosure, modification, preparationof derivative works, and/or adaptation of i) Oracle programs (including any operating system, integratedsoftware, any programs embedded, installed, or activated on delivered hardware, and modifications of suchprograms), ii) Oracle computer documentation and/or iii) other Oracle data, is subject to the rights andlimitations specified in the license contained in the applicable contract.

4 The terms governing the 's use of Oracle cloud services are defined by the applicable contract for such services. No otherrights are granted to the software or hardware is developed for general use in a variety of information management is not developed or intended for use in any inherently dangerous applications, including applications thatmay create a risk of personal injury. If you use this software or hardware in dangerous applications, then youshall be responsible to take all appropriate fail-safe, backup, redundancy, and other measures to ensure itssafe use.

5 Oracle Corporation and its affiliates disclaim any liability for any damages caused by use of thissoftware or hardware in dangerous , Java, and MySQL are registered trademarks of Oracle and/or its affiliates. Other names may betrademarks of their respective and Intel Inside are trademarks or registered trademarks of Intel Corporation. All SPARC trademarks areused under license and are trademarks or registered trademarks of SPARC International, Inc. AMD, Epyc,and the AMD logo are trademarks or registered trademarks of Advanced Micro Devices.

6 UNIX is a registeredtrademark of The Open software or hardware and documentation may provide access to or information about content, products,and services from third parties. Oracle Corporation and its affiliates are not responsible for and expresslydisclaim all warranties of any kind with respect to third-party content, products, and services unless otherwiseset forth in an applicable agreement between you and Oracle . Oracle Corporation and its affiliates will not beresponsible for any loss, costs, or damages incurred due to your access to or use of third-party content,products, or services.

7 Except as set forth in an applicable agreement between you and PrefaceAudiencexxviDocumentation AccessibilityxxviDiversity and InclusionxxviiSet Up Java Access Bridge to Implement Java AccessibilityxxviiRelated DocumentationxxviiConventionsxxviii1 Introduction to Upgrading Oracle DatabaseOverview of Oracle Database Upgrade Tools and Processes1-1 Definition of Terms Upgrading and Migrating1-1 Upgrade and Data Migration Methods and Processes1-2 Oracle Database Releases That Support Direct Upgrade1-3 Where to Find the Latest Information About Upgrading Oracle Database1-5 Major Steps in the Upgrade Process for Oracle Database1-6 Compatibility and Interoperability Between Oracle Database Releases1-10 About Oracle Database Release Numbers1-11 Convention for Referring to Release Numbers in Oracle Database Upgrade Guide1-13 What Is Oracle Database Compatibility?

8 1-13 Understanding Oracle Database Compatibility1-13 When to Set the COMPATIBLE Initialization Parameter in Oracle Database1-14 The COMPATIBLE Initialization Parameter in Oracle Database1-14 Values for the COMPATIBLE Initialization Parameter in Oracle Database1-16 About Downgrading and Compatibility for Upgrading Oracle Database1-16 How the COMPATIBLE Initialization Parameter Operates in Oracle Database1-16 Checking the Compatibility Level of Oracle Database1-17 What Is Interoperability for Oracle Database Upgrades?

9 1-17 About Invalid Schema Objects and Database Upgrades1-18 About Upgrading Oracle OLAP Data Security Policies1-19 About Running Multiple Oracle Releases1-19 Databases in Multiple Oracle Homes on Separate Computers1-20 Databases in Multiple Oracle Homes on the Same Computer1-20iiiAbout the Optimal Flexible Architecture Standard1-21 About Multiple Oracle Homes Support1-21 About Converting Databases During Upgrades1-22 Overview of Steps for Upgrading Oracle Database Using Oracle GoldenGate1-23 Overview of Converting Databases During Upgrades1-23 About Upgrading Using Standby Databases1-25 Migrating From Standard Edition to Enterprise Edition of Oracle Database1-26 Migrating from Enterprise Edition to Standard Edition of Oracle Database1-28 Migrating from Oracle Database Express Edition ( Oracle Database XE)

10 To OracleDatabase1-28 About Upgrading Platforms for a New Oracle Database Release1-28 About Upgrading Your Operating System1-29 Options for Transporting Data to a Different Operating System1-29 About Image-Based Oracle Database Installation1-302 Preparing to Upgrade Oracle DatabaseTasks to Prepare for Oracle Database Upgrades2-2 Become Familiar with New Oracle Database Features2-2 Pre- Upgrade Information Check with AutoUpgrade2-3 Review Deprecated and Desupported Features2-3 Choose an Upgrade Method for Oracle Database2-4 The AutoUpgrade Utility Method for Upgrading Oracle Database2-4 The Graphical User Interface Method for Upgrading Oracle Database2-5 The Manual.