1.3.3 Examples of Applying and Rolling Back Patches Using OPatch

After you obtain the patches required for your installation, use the appropriate OPatch commands to verify any patch prerequisites, apply a patch to an Oracle home, and if necessary, roll back the application of a patch.

The following topics provide some examples of using OPatch to patch an Oracle Fusion Middleware installation:

• Verifying the Prerequisites for a Patch
  To verify that a patch can be applied to a specific Oracle home, use the —report argument to the opatch apply command.
• Applying a Single Patch Using the Apply Command
  To apply a single patch to an Oracle Fusion Middleware Oracle home, use the opatch apply command.
• Applying Multiple Patches Using the OPatch napply Command
  To apply multiple patches to an Oracle Fusion Middleware Oracle home, use the opatch napply command.
• Rolling Back a Patch You Have Applied
  To roll back a patch that was applied to an Oracle Fusion Middleware Oracle home, use the opatch rollback command.
• Rolling Back Multiple Patches You Have Applied
  To roll back multiple patches that were previously applied to an Oracle Fusion Middleware Oracle home, use the opatch nrollback command.