Oracle Internship interview questions

3 interviews. First one not tough, coding question and puzzles. Second one, only coding questions were asked to get overall problem solving skill u have. Know standard questions properly. And third one, was technical discussion+ hr.

Eligibility criteria: Above 7 GPA. Branch: CS, IT, ENC and EE. There was 4 round of interview for the internship. Round 1: Online Aptitude Round was conducted on their online platform. It was MCQ based test. Covering aptitude topics, CS Core Subjects, DSA, etc. The test was in the evening from 4:00 pm- 6:00 pm. This round was little bit difficult. From 116 students 24 students were shortlisted for the next round i.e. Technical interview round. Round 2: Technical interview Round, this round was conducted on zoom platform, the interview continued for 40 min. First, he asked me about myself then went through my resume I have mentioned student result management project he asked me questions related to DBMS. What is normalization, diff. btw 2NF and 3NF. Then he went on data structure asked about asymptotic notation, binary search and linear search which one is more efficient, complexity for both the search. Then he asked me to solve one coding question to remove duplicates from an array(Easy level).