freqently asked questions for oracle database server patching
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In this Document
Applies to:Oracle Database - Enterprise Edition - Version 9.2.0.8 to 12.1.0.2 [Release 9.2 to 12.1]Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database Cloud Exadata Service - Version N/A and later Information in this document applies to any platform. PurposeFrequently Asked Questions for Oracle Database Server Patching. Questions and Answers1) What is a patch?A patch is a piece of code/software designed to fix problems with the existing code/software. This includes fixing security vulnerabilities and other bugs, and improving the usability or performance. 2) Why are patches needed?
3) What is an Interim patch?
4) What is a patch conflict?
Example:
Result: OPatch reports Patch B is in conflict with Patch A and recommends an SR be filed requesting a merge of Patch A and Patch B created. If the option to continue the installation is selected, Patch A will be rolled back and Patch B will be installed. The bugs fixed in Patch A will no longer be fixed. 5) What is a Superset patch?
Example:
Result: it is not considered as an error situation. OPatch removes the subset patches from the Oracle Home and applies the new patch. 6) What is a Combination conflict?
7) What is a subset conflict?If all the bugs fixed by the patch being installed are fixed in a
patch already installed in the Oracle Home, the patch being installed
is a subset.
Result: it is not considered as an error situation. Patch B will not be installed and reported as a subset to Patch A
8) What is a Duplicate conflict?If a patch is installed and it is reinstalled, it is considered a duplicate Example:
Results: If -skip_duplicate is included in the apply command, OPatch will skip the duplicate. If not set, OPatch will rollback Patch A and reapply it 9) What is a Security Patch Update (SPU)?
10) What is a Merge patch?
11) What is a Bundle patch?
12) What are Patch Set Updates (PSU)?
13) What is an Overlay patch?When an interim patch conflicts with a PSU, patch conflict resolution is achieved by providing a new patch that coexists with (and requires) the PSU patch. The new patch overlays the PSU, and the PSU is a pre-requisite for the overlay patch. 14) What is a Patch Set?
15) What is a Terminal patch set?The last patch set planned to be released on a particular platform for a given Oracle Database release is called a Terminal patch set. 16) What is a Terminal or Final patch ?In general the terminology of Terminal and Final patch is often
referred for SPU and PSU. It is nothing but the last patch planned to be
released on a particular platform for a given Oracle release. However
this is applicable only for the customers who are in Premier Support. 17) What is the Error Correction Policy for Oracle Database Server?
18) What is the Oracle lifetime support policies?
Below notes are redirected to this note: Different types of Patch Conflicts - Superset/Subset/Duplicate/Bug/File (Doc ID 563656.1)
ReferencesNOTE:971415.1 - Oracle Lifetime Support PoliciesNOTE:1430923.1 - Patch Nomenclature for Oracle Products NOTE:209768.1 - Database, FMW, Enterprise Manager, TimesTen In-Memory Database, and OCS Software Error Correction Support Policy NOTE:552777.1 - Patchset FAQ |
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