I have already explained in broad details a while ago how to:
- Upgrade a Multitenant Environment – Everything at Once
https://mikedietrichde.com/2014/08/06/upgrade-pdbs-everything-at-once-full-cdb-upgrade/ - Upgrade in a Single-/Multitenant Environment – One/Many at a time
or also known as unplug/plug/upgrade strategy
https://mikedietrichde.com/2014/08/05/upgrade-pdbs-one-at-a-time-unplugplug/
But one may miss the steps for applying a PSU (Patch Set Update) or BP (Bundled Patch) to a Single-/Multitenant Environment.
At first everything will work just the same if you choose the Everything-at-Once strategy as datapatch will adjust all the required things regardless of being executed in a stand-alone or a singe/Multitenant environment.
But what happens if you apply a …
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