have installed Oracle Apex 21.1 under Oracle 21.c XE, on a CentOS 7 VM. 3 apps are there and wants to upgrade Apex version to 22.1, please help for How To's as i have not yet upgraded any version, googled for "oracle apex upgrade to 22.1" but just found oracle documentation and 3 youtube videos, one is installing 22.1 on another tablespace and don't know how he upgraded to 22.1. someone told to just run apxpatch.sql , please have an expert opinion to guide me.
regards