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Oracle Interview Questions

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Interview Cake helps software engineers land their dream jobs at the world’s top tech companies, like Oracle. Our strategic approach to programming interviews empowers engineers with the interview tools they need to solve even the most obscure programming interview question. When preparing to interview with a company like Oracle, strategy is key.

As one of the world’s leading database management providers, Oracle is known for providing top-of-the-line solutions for its users. You can expect that your interview at Oracle will be challenging and filled with a wide variety of questions. Memorizing past Oracle interview questions and their answers isn’t going to cut it. Oracle screens candidates thoroughly, and you’re going to need a solid strategy to knock this interview out of the park. Interview Cake can teach you a unique approach to preparing for your Oracle interview.

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Get ready for Oracle with the free 7-day crash course!

In this free email course, you'll learn the right way of thinking for breaking down the tricky algorithmic coding interview questions Oracle loves to ask.

Practice Questions for the Oracle Interview

Oracle’s coding interviews are designed to challenge you, but with the right strategy, you’ll be ready in no time. Our program is a step-by-step guide to coding interview preparation.

Simulate 5-sided die »

Given a 7-sided die, make a 5-sided die. keep reading »

Simulate 7-sided die »

Given a 5-sided die, make a 7-sided die. keep reading »

MeshMessage »

You wrote a trendy new messaging app, MeshMessage, to get around flaky cell phone coverage. But messages are taking too long to send... keep reading »

Graph Coloring »

Color the nodes in a graph so adjacent nodes always have different colors. keep reading »

Permutation Palindrome »

Check if any permutation of an input string is a palindrome. keep reading »

Parenthesis Matching »

Write a function that finds the corresponding closing parenthesis given the position of an opening parenthesis in a string. keep reading »

Recursive String Permutations »

Write a recursive function of generating all permutations of an input string. keep reading »

What's Wrong with This JavaScript? »

There's a tricky bug in this JavaScript. Can you find it? keep reading »

Balanced Binary Tree »

Write a function to see if a binary tree is 'superbalanced'--a new tree property we just made up. keep reading »

Binary Search Tree Checker »

Write a function to check that a binary tree is a valid binary search tree. keep reading »

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What people are saying about Oracle's interview

Check out some of the positive highlights that others have written about their Oracle interview experience on Glassdoor:

  • ”Called for a 6 hour interview and was interviewed by 4 different engineers, a manager, director, VP and senior VP. The interviews by the engineers were fairly technical - questions on C, C++ templates, STL, vxworks and an aptitude question. The manager and above leaders asked fairly my work ethics and skills.”
  • ”First interview consisted of designing an application - identifying the functional requirements and justifying the tools I would use to implement them. I was also asked 3 puzzle problems and 1 coding problem. They were difficult but the Interviewer guided me to the correct solution, unlike other interviews I have given in the past.”

And here are some of the negative experiences interviewees have reported to Glassdoor:

  • ”It is very technical and intense. They asked a lot of relational database related questions in detail. It looks like they're looking for specific skill set. The interview has gone to coding level.”
  • ”Interview was almost straight to the technical questions with a small chance to talk about a recent project that was listed on my resume, I've got a couple of questions which I solved although they were expecting a more efficient answer. They care about data structures and efficient algorithms, the interview lasted around 1hr in English.”
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