SAP BW Oracle version upgrade from 12c To 12.1.0.2.5 version

Hello Gurus,

We have scheduled on our SAP BW an Oracle database version upgrade from 12c To 12.1.0.2.5

Does this means that we need to clear the delta queues? and what other steps should be done previous and after the upgrade?

Thanks!

davidchavezbi@gmail.com