How to Upgrade Schema from 11.1.6.0 to 11.1.1.9.0 in 11g Oracle

First we need to go Oracle Home bin in Linux machine. This is located at below location./u07/oracle/middleware/oracle_common/bin

As the middleware owner change directory to $MW_HOME/oracle_common/bin Run the following command to start the PSA wizard./psa.sh

Click Next to start entering details

Select the component you want to upgrade, it will include all the prerequisites.

Select the prerequisite check boxes to say you have backed up your environment.

Enter connection details for the MDS schema

Enter connection details for the SOAINFRA schema

Check that all schemas connect successfully. If not go back and correct.

Make sure all the setting are correct and continue

Watch the install run, then complete

Now you can check the version of the schemas to ensure they are correct. For that we are using below query.

SELECT owner, version, status FROM schema_version_registrywhere owner in ('WCI_MDS', 'WCI_SOAINFRA');