Oracle Applications Engineer interview questions

Very Quick. Applied online, recieved a call within 2 weeks. Had an interview within 2 weeks later. One phone screen and project. The phone screen was very simiple, basic OO prinicples, average quesitons. Things like design patterns, abstract class vs interface, just more like knowing vocab related to OO principles.

1. 1st Round consisted of an online test consisting of questions from Algorithms, Data Structures and Computer Science 2. 2nd Round was 1:1 Interview. Asked to describe the tables used in my College Project and ER Diagram. 3. 3rd Round was 1:1 Interview. Asked to write a program for generating permutations of a String 4. 4th Round was 1:1 interview. Asked about my projects, Family background and an SQL Query