Apply Oracle Database Patch

Take screenshot, shutdown all oracle services and change them to MANUAL startup
reboot
open window command, run as administrator

List all the patches applied to database

E:\oracle\db_home\product\12.2.0\dbhome_1\OPatch\opatch lspatches

Apply the patch

cd C:\Users\CyberArkDBA\Downloads\p28574555_122010_MSWIN-x86-64\28574555
E:\oracle\db_home\product\12.2.0\dbhome_1\OPatch\opatch apply

Startup Oracle
cd %ORACLE_HOME%/OPatch
datapatch -verbose

Base on the screenshot, put back the original startup setting
reboot

Recompile all objects

exec utl_recomp.recomp_parallel;

select * from dba_objects where status = 'INVALID' order by 1,2;

Check patch history

select * from dba_registry_sqlpatch;

select dbms_java.get_jdk_version() from dual;

select dbms_qopatch.get_opatch_lsinventory() from dual;

Remove patch (if there is conflict)

E:\oracle\db_home\product\12.2.0\dbhome_1\OPatch\opatch rollback -id 28135129
cd %ORACLE_HOME%/OPatch
datapatch -verbose -rollback 28135129