OPATCH Utility (Database Patch)

Opatch is a patching utility that ensures your Oracle software is into healthy and secure condition.

The below image will help you in understanding the workflow for applying the database patch.





OPATCH options

    opatch -help
   opatch apply -help
   opatch compare 
   opatch lsinventory -help
   opatch lspatches -help
   opatch napply -help
   opatch nrollback -help
   opatch rollback -help
   opatch prereq -help
   opatch util -help