Install and Deinstall Oracle Patches use Opatch command.
(After complete this demo you will able to Apply oracle Patches on Middleware home or Jdeveloper Home)
1- Download your patch from Oracle Support .
3- Set System environment variable ORACLE_HOME
– Weblogic set variable to your middleware directory (For Weblogic )
– Jdeveloper set variable to you Jdeveloper Home
List Patches installed in your Oracle_Home
2- Open cmd Command and set your current directory to directory where your patch is located .
C:OraclePatches21768703oui>opatch rollback –Jdk [JDK path]