Oracle Interview Questions and Guide

Cloud infrastructure, database systems, networking fundamentals, distributed consensus, and scalability.

The Oracle interview loop

1. Recruiter screen
2. Technical screen
3. Onsite: 3–4 rounds focusing on data structures, cloud infrastructure (OCI), systems design, and behavioral

Oracle interview questions

• Design a Distributed Cache
• Design LeetCode
• Design a Distributed Key-Value Store
• Design a Distributed Message Queue
• Design a Metrics Monitoring & Alerting System
• Two Sum II - Input Array Is Sorted
• Reverse Vowels of a String
• Diagonal Traverse
• In-Memory Database (Multi-Part)
• Invalid Transactions
• Number of Visible People in a Queue
• Search in Rotated Sorted Array
• Time-Based Key-Value Store
• Maximum Candies Allocated to K Children
• Sum Root to Leaf Numbers
• Number of Distinct Islands
• Island Perimeter
• Frog Jump
• Design a Library Management System
• Design a Task Scheduler
• Why are you leaving your current role?
• Where do you see yourself in five years?
• Tell me about working with a difficult stakeholder
• What is a weakness you're working on?