New 150 Oracle Interview Questions

Introduction

Oracle is a big name you may hear often, especially if you’re interested in technology. So, what exactly is it? Well, Oracle is a global company that makes software to help businesses run smoothly. Imagine being able to keep track of everything from customers to products all in one place; that’s what Oracle does with its database systems.

But why should someone looking for a job in IT be interested in Oracle? The answer is simple: Oracle is a leader in the industry, and working there means you’ll be at the forefront of technology. You’ll get to work with some of the brightest minds and on projects that really make a difference. Plus, Oracle offers training and certifications that can boost your career.

So, if you’re dreaming about a future in technology, Oracle might be the perfect place to start. Whether you’re just beginning your journey or you’re an experienced professional, Oracle has opportunities to learn, grow, and make a mark in the world of IT. Isn’t that something worth looking into?

Recruitment Process

1. Eligibility Criteria

• B.Tech or M.Tech in any engineering stream.
• Minimum 60% marks in graduation as well as 10th and 12th standards.
• No active backlogs are allowed.

2. Engineering Job Profiles at Oracle

• Back-end Developer: Develop large-scale database-as-a-service offerings.
• Full-stack Developer: Design and develop features for Oracle Cloud.
• Front-end Developer: Design and develop Oracle Database on public cloud platforms.
• Systems Programmer: Work with low-level systems software.
• DevOps: Automate and streamline processes.
• Software Developer: Define and develop software applications.
• Engineering Manager: Lead teams on ambitious new initiatives.

3. Selection Process

Oracle conducts 3-4 rounds to select freshers for various roles:

• Online MCQs and Coding Round: This round assesses general aptitude, logical reasoning, verbal ability, technical knowledge, and coding skills. Questions are based on data structures, Database Management Systems, time complexity, operating systems, etc.
• Group Discussion Round: This round may be skipped but is generally conducted in off-campus placement drives. It tests communication skills and general awareness.
• Technical Interview Rounds: One or two technical interviews are conducted. Questions are related to projects done in the past, Python, Java, Data structures, Linked List, etc.
• HR Interview Round: This round includes general behavioral interview questions to assess communication and interpersonal skills.

4. Recruiting Process (Oracle Taleo Enterprise Edition)

Oracle’s recruiting solution includes several core products:

• Career Section: A website where jobs are posted.
• Recruiting: Tools to create and manage job requisitions, source and nurture candidates, screen candidates, interview candidates, track progress, create and manage job offers.
• Onboarding: A system for transitioning candidates, new hires, and employees.
• Configuration Product: Where administrators work with settings, permissions, and tools. Typical recruiting process tasks include:
• Creating a requisition.
• Adding prescreening questions and competencies.
• Approving the requisition.
• Posting and sourcing the requisition.
• Managing candidates.
• Screening and interviewing candidates.
• Extending offers to candidates.
• Hiring candidates.

5. Salary Details

Oracle offers competitive salary packages for Engineering roles.

6. Why Oracle?

Oracle is the second-largest software maker and offers a place where employees can grow. With professional training programs and employee benefits, Oracle provides an environment for professional growth and a balanced life.

7. Application Process

Oracle conducts off-campus and on-campus recruitment drives and accepts online applications. Candidates can apply through the Oracle careers page.

8. Company Overview

Oracle Corporation is an American multinational company specializing in database software, cloud-engineered systems, enterprise software products, and more. Founded in 1977, Oracle ranks 4th in the 2019 Forbes list for the ‘Software & Programming’ industry.

Exciting Opportunities for Students: Oracle’s Internships, Programs, and Competitive Events

Are you a student with a passion for technology and innovation? Look no further than Oracle, a leading global technology company that offers a range of exciting opportunities for students like you. From internships to programs and competitive events, Oracle provides a platform for you to learn, grow, and showcase your talents. In this article, we’ll explore the various options Oracle offers and provide links for each opportunity.

Oracle Summer Internship Program

Oracle’s Summer Internship Program is a fantastic opportunity for students to gain real-world experience while working on exciting projects. This internship is typically held during the summer break and is open to students from various academic backgrounds. During the internship, you’ll be immersed in Oracle’s dynamic work environment, collaborate with experienced professionals, and contribute to meaningful projects.

Link to Oracle Summer Internship Program: Oracle Summer Internship Program

Oracle Student Ambassador Program

The Oracle Student Ambassador Program is designed for enthusiastic students who are passionate about technology and want to make an impact on their campus. As a Student Ambassador, you’ll represent Oracle, organize tech events, workshops, and engage with your peers to spread awareness about Oracle’s innovations. This program provides a unique opportunity to enhance your leadership and communication skills.

Link to Oracle Student Ambassador Program: Oracle Student Ambassador Program

Oracle Code One Student Scholarship

Are you a coding enthusiast looking to showcase your skills? The Oracle Code One Student Scholarship offers you the chance to attend Oracle’s premier developer conference, Oracle Code One, for free. This event brings together developers, technologists, and innovators from around the world. As a scholarship recipient, you’ll have the opportunity to learn from experts, network with professionals, and immerse yourself in the latest technological advancements.

Link to Oracle Code One Student Scholarship: Oracle Code One Student Scholarship

Top 150 Questions Asked in Oracle Interview

Arrays and Strings

1. Two Sum – LeetCode Link
2. Three Sum – LeetCode Link
3. Four Sum – LeetCode Link
4. Container With Most Water – LeetCode Link
5. Trapping Rain Water – LeetCode Link
6. Rotate Array – LeetCode Link
7. Remove Duplicates from Sorted Array – LeetCode Link
8. Move Zeroes – LeetCode Link
9. Maximum Subarray – LeetCode Link
10. Product of Array Except Self – LeetCode Link
11. First Missing Positive – LeetCode Link
12. Kth Largest Element in an Array – LeetCode Link
13. Merge Intervals – LeetCode Link
14. Search in Rotated Sorted Array – LeetCode Link
15. Majority Element – LeetCode Link
16. Valid Palindrome – LeetCode Link
17. Longest Substring Without Repeating Characters – LeetCode Link
18. Longest Palindromic Substring – LeetCode Link
19. Implement strStr() – LeetCode Link
20. Group Anagrams – LeetCode Link
21. Valid Parentheses – LeetCode Link
22. Longest Common Prefix – LeetCode Link
23. Reverse Words in a String – LeetCode Link
24. Count and Say – LeetCode Link
25. Valid Palindrome II – LeetCode Link
26. Minimum Window Substring – LeetCode Link
27. Add Binary – LeetCode Link
28. Compare Version Numbers – LeetCode Link
29. Simplify Path – LeetCode Link

Linked Lists

1. Reverse Linked List – LeetCode Link
2. Merge Two Sorted Lists – LeetCode Link
3. Remove Nth Node From End of List – LeetCode Link
4. Add Two Numbers – LeetCode Link
5. Palindrome Linked List – LeetCode Link
6. Intersection of Two Linked Lists – LeetCode Link
7. Remove Linked List Elements – LeetCode Link
8. Copy List with Random Pointer – LeetCode Link
9. Swap Nodes in Pairs – LeetCode Link
10. Rotate List – LeetCode Link
11. Linked List Cycle – LeetCode Link
12. Flatten a Multilevel Doubly Linked List – LeetCode Link
13. Odd Even Linked List – LeetCode Link
14. Reorder List – LeetCode Link
15. Split Linked List in Parts – LeetCode Link
16. Add Two Numbers II – LeetCode Link
17. Convert Binary Number in a Linked List to Integer – LeetCode Link
18. Palindrome Linked List II – LeetCode Link
19. Next Greater Node In Linked List – LeetCode Link
20. Sort List – LeetCode Link

Trees and Graphs

1. Binary Tree Inorder Traversal – LeetCode Link
2. Maximum Depth of Binary Tree – LeetCode Link
3. Symmetric Tree – LeetCode Link
4. Path Sum – LeetCode Link
5. Lowest Common Ancestor of a Binary Tree – LeetCode Link
6. Course Schedule – LeetCode Link
7. Clone Graph – LeetCode Link
8. Word Ladder – LeetCode Link
9. Number of Islands – LeetCode Link
10. Network Delay Time – LeetCode Link
11. Binary Tree Level Order Traversal – LeetCode Link
12. Diameter of Binary Tree – LeetCode Link
13. Convert Sorted Array to Binary Search Tree – LeetCode Link
14. Count Univalue Subtrees – LeetCode Link
15. Serialize and Deserialize Binary Tree – LeetCode Link
16. Word Search – LeetCode Link
17. Keys and Rooms – LeetCode Link
18. Course Schedule II – LeetCode Link
19. Pacific Atlantic Water Flow – LeetCode Link
20. Cheapest Flights Within K Stops – LeetCode Link

Dynamic Programming

1. Climbing Stairs – LeetCode Link
2. House Robber – LeetCode Link
3. Coin Change – LeetCode Link
4. Longest Increasing Subsequence – LeetCode Link
5. Maximum Subarray – LeetCode Link
6. Unique Paths – LeetCode Link
7. Longest Common Subsequence – LeetCode Link
8. Edit Distance – LeetCode Link
9. Word Break – LeetCode Link
10. Palindrome Partitioning II – LeetCode Link
11. Decode Ways – LeetCode Link
12. Longest Palindromic Substring – LeetCode Link
13. Regular Expression Matching – LeetCode Link
14. Wildcard Matching – LeetCode Link
15. Unique Binary Search Trees – LeetCode Link
16. Jump Game – LeetCode Link
17. Best Time to Buy and Sell Stock – LeetCode Link
18. Partition Equal Subset Sum – LeetCode Link
19. Palindromic Substrings – LeetCode Link
20. Minimum Path Sum – LeetCode Link

Sorting and Searching

1. Merge Sorted Array – LeetCode Link
2. Sort Colors – LeetCode Link
3. Insertion Sort List – LeetCode Link
4. Largest Number – LeetCode Link
5. H-Index – LeetCode Link
6. Binary Search – LeetCode Link
7. First Bad Version – LeetCode Link
8. Search Insert Position – LeetCode Link
9. Find Peak Element – LeetCode Link
10. Search a 2D Matrix – LeetCode Link
11. Kth Largest Element in an Array – LeetCode Link
12. Meeting Rooms II – LeetCode Link
13. Wiggle Sort – LeetCode Link
14. Count of Smaller Numbers After Self – LeetCode Link
15. Valid Anagram – LeetCode Link
16. Search in Rotated Sorted Array – LeetCode Link
17. Find Minimum in Rotated Sorted Array – LeetCode Link
18. Intersection of Two Arrays II – LeetCode Link
19. Two Sum II – Input Array is Sorted – LeetCode Link
20. Search a 2D Matrix II – LeetCode Link

Hashing

1. Two Sum – LeetCode Link
2. Longest Substring Without Repeating Characters – LeetCode Link
3. Group Anagrams – LeetCode Link
4. Valid Anagram – LeetCode Link
5. Subarray Sum Equals K – LeetCode Link
6. Four Sum II – LeetCode Link
7. Contains Duplicate – LeetCode Link
8. Contains Duplicate II – LeetCode Link
9. Isomorphic Strings – LeetCode Link
10. Minimum Index Sum of Two Lists – LeetCode Link
11. Intersection of Two Arrays – LeetCode Link
12. Intersection of Two Arrays II – LeetCode Link
13. First Unique Character in a String – LeetCode Link
14. Substring with Concatenation of All Words – LeetCode Link
15. Longest Substring with At Most Two Distinct Characters – LeetCode Link
16. Longest Consecutive Sequence – LeetCode Link
17. Find All Anagrams in a String – LeetCode Link
18. Implement Trie (Prefix Tree) – LeetCode Link
19. Two Sum III – Data Structure Design – LeetCode Link
20. Continuous Subarray Sum – LeetCode Link

Backtracking

1. Single Number – LeetCode Link
2. Number of 1 Bits – LeetCode Link
3. Bitwise AND of Numbers Range – LeetCode Link
4. Reverse Bits – LeetCode Link
5. Power of Two – LeetCode Link
6. Counting Bits – LeetCode Link
7. Subsets – LeetCode Link
8. Subset Sum – LeetCode Link
9. Bitwise ORs of Subarrays – LeetCode Link
10. Gray Code – LeetCode Link
11. Maximum XOR of Two Numbers in an Array – LeetCode Link
12. Bitwise AND of Numbers Range – LeetCode Link
13. Repeated DNA Sequences – LeetCode Link
14. Total Hamming Distance – LeetCode Link
15. Lonely Pixel I – LeetCode Link

Interview Preparation Tips

Preparing for an interview at Oracle, one of the world’s leading technology companies, can be a thrilling yet challenging experience. Here are some key preparation tips to help you stand out:

1. Understand the Role: Research the specific role you’re applying for. Understand the skills, technologies, and responsibilities involved. This will help you tailor your answers to show how you fit the role.
2. Study Oracle’s Products and Services: Oracle offers a broad array of software and hardware systems and services. Familiarize yourself with the ones relevant to your position. You can find information on their official website.
3. Technical Preparation: If you’re applying for a technical role, be sure to brush up on relevant programming languages, databases, and methodologies. Practice coding questions on platforms like LeetCode or HackerRank.
4. Behavioral Questions: Oracle often emphasizes cultural fit and teamwork. Be ready to discuss your experiences with collaboration, problem-solving, and how you’ve handled challenges. The STAR method can be useful for structuring these answers.
5. Company Culture and Values: Understand Oracle’s mission, values, and culture. They may ask questions to assess how well you align with their ethos.
6. Ask Insightful Questions: Prepare thoughtful questions about the role, team, or company. This shows your genuine interest in the position and provides valuable insights into whether the role is a good fit for you.
7. Mock Interviews: Consider conducting practice interviews with a friend or using online platforms that offer mock interviews. This can boost your confidence and help you receive feedback.
8. Prepare Your Documents: Have your resume, portfolio, or any other necessary documents ready and well-organized. Make sure they accurately represent your skills and experiences.
9. Know Your Interview Format: Oracle’s interviews might include multiple rounds with technical assessments, behavioral interviews, or group exercises. Knowing the format in advance helps you prepare accordingly.
10. Stay Current: Be aware of the latest industry trends and Oracle’s recent news or product releases. This shows you are engaged with the industry and the company.
11. Relax and Be Yourself: Lastly, remember that interviews are as much about getting to know you as assessing your skills. Stay calm, be genuine, and let your passion for technology and the role shine through.

Frequently Asked Questions

1. Can international students apply for these opportunities?
   Yes, Oracle’s opportunities are open to students from around the world.
2. How do these experiences benefit my future career?
   These experiences offer practical skills, networking opportunities, and exposure to industry trends, giving you an edge in your future career.
3. Are there any prerequisites for applying?
   Prerequisites may vary based on the opportunity. Check the respective links for specific requirements.
4. How can I stay updated on upcoming Oracle opportunities?
   Follow Oracle’s official social media channels and career websites for the latest updates on opportunities.
5. Is there a community for participants to connect?
   Yes, Oracle’s programs often include a community of like-minded participants, fostering networking and collaboration.
6. Are these opportunities paid?
   • Oracle’s internships are typically paid positions, providing students with a stipend for their work.
   • The details regarding compensation for other opportunities may vary. Check the respective links for more information.
7. Do I need prior experience to apply for these opportunities?
   • While some opportunities may require certain skills or knowledge, Oracle offers a variety of options suitable for students at different experience levels.
   • Check the specific requirements for each opportunity to determine if prior experience is necessary.
8. How competitive is the application process?
   • The competitiveness of the application process can vary depending on the opportunity and the number of applicants.
   • It’s advisable to showcase your skills, enthusiasm, and relevant experiences to stand out during the selection process.
9. Can I participate in multiple programs or events simultaneously?
   • Yes, you can participate in multiple Oracle programs or events if your schedule allows for it.
   • However, make sure you manage your time effectively to fully engage in each opportunity.
10. Are these opportunities limited to specific fields of study?
    • Oracle offers opportunities for students from various fields of study, including computer science, engineering, business, and more.
    • Some opportunities may have specific prerequisites related to the field, so check the requirements for each opportunity.
11. Can I apply for multiple internships in different locations?
    • Yes, Oracle has a global presence, and you can apply for internships in various locations based on your preferences.
    • Keep in mind that each location’s application process may be separate.
12. Are there networking opportunities during these programs?
    • Yes, Oracle’s programs often provide networking opportunities with industry professionals, mentors, and fellow participants.
    • These connections can be valuable for your personal and professional growth.
13. What happens after I complete an internship or program?
    • Completing an internship or program with Oracle can provide you with valuable experience to add to your resume.
    • It may also lead to potential job opportunities within Oracle or other companies in the industry.
14. Do these opportunities offer any certifications or recognition?
    • Some opportunities might offer certificates of participation or completion, showcasing your engagement and dedication.
    • Check the specific details of each opportunity to see if there are any certifications offered.
15. How can I prepare for the application and selection process?
    • Research Oracle’s values, products, and recent developments to demonstrate your interest and knowledge.
    • Tailor your application materials to highlight relevant skills, experiences, and accomplishments.