【单选题】
You want to create an RMAN recovery catalog in the RC01 database to help you manage the databases named DB01 and DB02. You need to create a recovery catalog owner in which of your databases?()
A、RCO1 only.
B、DB01 only.
C、DB02 only.
D、DB01 and DB02 only.
E、DB01,DB02,and RC01.