Nothing was difficult in any round. These were general questions, but this is totally dependent on who is interviewing you. Some development managers ask very difficult questions, including riddles, etc.
The following metrics were computed from 1 interview experience for the Oracle Principal Engineer role in Teaneck, New Jersey.
Oracle's interview process for their Principal Engineer roles in Teaneck, New Jersey is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Oracle's Principal Engineer interview process in Teaneck, New Jersey.