How to check if the provided patch is an online patch. (rdbms patch)

How to check if the provided patch is an online patch. (rdbms patch) This can be applied while your database is running.

cd $ORACLE_HOME/Opatch/opatch query is_online_patch 'dir'


You will get the output .
..
..
Patch is a online patch : True

If this is true you can go ahead and do opatch apply