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Oracle Interview Experience | Set 57 (On-Campus for FTE)

  • Difficulty Level : Medium
  • Last Updated : 12 Aug, 2021

Here is how my interview for ORACLE (Profile: App Dev) went about: 

Round 1: 
This included MCQs that covered a lot of topics, such as Data Structures, OS, Database, English Grammar, General Vocabulary, Basic Math, and a few basic logic. 
Roughly 150 students out of (~350) were shortlisted for the next round. 

Round 2: 
This was a coding round, had 2 questions. Both were math-based questions. 
This was not an elimination round, but was to segregate the students into 2 groups, (Server Tech. and App Dev.). 

Interviews: 

Round 1: 

Question 1: Write the code to find the 2nd largest number in the array. 
You are expected to write the code and test for all edge cases. 

Question 2: Print all the prime factors of a given number except the number itself. 

Question 3: This was to just check your quick math/logical skills. 
If ABCD*99=ABB551, find the value of A. 
I had a discussion with the interviewer regarding this and I gave him the answer in a way that he did not expect and he seemed quite happy about the new method 😛 

Round 2: 

Question 1: Why Oracle? What do you expect Oracle to be like, for you? 

Question 2: The interviewer gave me a set of relations and asked me to write a couple of queries to retrieve certain data. 
I would say, as it is Oracle, you should be thorough with DBMS and MySQL queries. 

Question 3: Write code to group all 1s in K-map. 
I wrote a code using DFS. 

Question 4: Given a roman number as a string input, check if it is valid, if yes, then print its decimal equivalent. 

Question 5: What are the data structures? 

Question 6: Explain any sorting algorithm of your choice. 
I started with quicksort, however, he later asked me to explain bubble sort 😛 
He also asked me if I knew why was it named “bubble” sort. 

Round 3: 

Had to answer around 5 logical puzzles. 

Round 4: 
Question 1: Given a sudoku puzzle, write code to check if it is valid (solved right) by traversing the entire matrix just once. 

Round 5: 
HR interview, here I was asked about my background, what was it that I considered unique about myself, my future goals, etc. 

On the whole, I would say, with a good grip on database, OS, Java concepts, and of course, data structures and algorithms you will be able to make it through easily. 

All the best! 🙂 

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My Personal Notes arrow_drop_up
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