Saturday, March 16, 2013

Patching Basic info


One of the main tasks is as a oracle application dbas to applying the patches. Patches  are  required to resolve problems with the application code, to fix production issues, to install new features, or to upgrade components of the technology stack.
 Applying a patch involves several steps, such as unbundling the patch, enabling maintenance mode, applying the patch with adpatch, and implementing manual steps. This section will discuss each of the steps involved
Application Patch: AutoPatch (adpatch) is a utility that is used to fix a bug or new enhancement.

Types of Application Patches

 

There are several different types of Oracle Applications patches. These are the more common patches
ΓΌ  One-off patch: This is the simplest type of patch. It is created to resolve a specific bug.
Minipack patch: This is a collection of one-off patches and enhancements related to a particular module. Alphabetic characters denote the Minipack version for the module; for example, the product code for the Application DBA utilities is AD, and version Minipack I of this product would be called AD.I.
Family Pack patch: This is a collection of Minipack patches for a particular family group of application modules. Alphabetic characters denote the Family Pack version; for example, the J version of the Human Resources Suite Product Family would be HR_PF.J.
Maintenance Pack patch: This is a collection of Family Packs that serves as a point-level release upgrade
Consolidated patch: This is a collection of one-off fixes for a Family Pack or Maintenance Pack.
Interoperability patch: This is a patch that is required for Oracle Applications to function with a newer version of a technology stack component; for example, you would apply an interoperability patch when upgrading the database to version 10g.
NLS patch: This is a patch that updates language-specific information for multi-language installations.
Rollup patch: This is a collection of one-off patches that update code levels for particular products
Legislative patch: This is a special patch for HR Payroll customers; it contains legislative data for multiple countries

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