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Patching Best Practices And Reducing Downtime (Doc ID 225165.1)

Last updated on JANUARY 29, 2022

Applies to:

Oracle Applications DBA - Version 11.5.9 to 12.1.3 [Release 11.5 to 12.1]
Information in this document applies to any platform.


This document contains information about the most effective methods for patching your system and reducing the downtime required to apply the patches. The features described in this note are current as of the latest releases of 11i (11.5.10CU2) and 12 (12.0.3).

For more complete information about the topics discussed here, refer to the following documentation.

Release 11i

Release 12

The most current version of this note is OracleMetaLink <Note 225165.1>.


Following these recommendations and putting these tips into practice can save you time and make the patching process more efficient.


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In this Document
 Release 11i
 Release 12
 Best Practices
      Use Oracle Applications Manager (OAM)
      Review the Impact on Customizations
      Determine the Most Recent Patches and Bulletins
      Apply High Priority Patches
      Use AD Merge Patch Efficiently
      Apply NLS Patches in the Correct Order
      Schedule Periodic Maintenance
 Reducing Downtime
      Consolidate Patches
      Apply Patches in Non-interactive Mode
      Defer Database Tasks
      Defer Upload of Patch Information
      Apply on a Test System First
      Use a Shared Application Tier File System
      Use Distributed AD
      Reduce Resource Related Issues
      Manage Patching During an Upgrade
      Evaluate Patch Drivers
      Use AutoPatch Efficiently
      Merge NLS (Translation) Patches and Apply Them During Uptime
 Change Log

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