Can we do oracle 11g software installation in parallel to SAP upgrade

Hi Basis Expert,

I need your inputs for one of this query

The query is. Can we do oracle 11g software installation in parallel to SAP upgrade when the system is in Downtime phase.

The idea is running SAP upgrade and in parallel running oracle 11g software installation. So that we can reduced the time.

Please share your valuable inputs.

Regards,

Anil Shenoy.