Migrating database from oracle 11.2.0.03 to 11.2.0.04. I have been assigned task of migrating our oracle database from 11.2.0.03 to 11.2.0.04 version. Being new to oracle, I have list down all activities I need to carry out to make it successful. I will be creating new database in newer version and creating dump of my present database and export that to newer versions. 
I have listed down below activity for same :


Need to take dump data from Existing  databases to new DEV, UAT and PROD databases.(Sequences also needs to be refreshed)


My confusion is, do I need to take care of more scenarios. Since I am not DBA, just a programmer, maybe I am missing some critical points.
Your best bet is to look at the Oracle patching advisor (in Oracle parlance this is a patch, not an upgrade, as you're updating to a new patch set):

Doc ID: 331.1 (My Oracle Support login required)