It was relatively smooth. The interviewees are kind and will help you through the problem. You should know your computer science basics.
In terms of difficulty, I'd say two LeetCode mediums.
They asked me a question that tested my knowledge of hash tables.
The following metrics were computed from 12 interview experiences for the Oracle Software Engineer (Internship) role in Mexico.
Oracle's interview process for their Software Engineer (Internship) roles in Mexico is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Oracle's Software Engineer (Internship) interview process in Mexico.