Question: how to apply ojvm patch in oracle 11g?
Answer: Unzip Patch and goto the patch directory. ... 
bash-4.2$ export ORACLE_HOME= /scratch/oemora/app/product/12.1.0/dbhome_1. ... 
Goto ORACLE_HOME and backup the existing OPatch folder. ... 
bash-4.2$ $ORACLE_HOME/OPatch/opatch prereq CheckConflictAgainstOHWithDetail -ph ./ ... 
cd /scratch/stage/JUL2019CPU/29699220/29774383.