Curated List
Oracle Interview Questions & Preparation Guide
Prepare for Oracle interviews with this curated list of most-frequently asked coding problems. Database and cloud enterprise company with focus on CS fundamentals. Average package: ₹15-35 LPA (India).
Most Asked Topics
Based on interview experiences, Oracle frequently asks:
1.Java — Core technology used at Oracle
2.SQL — Core technology used at Oracle
3.Cloud — Core technology used at Oracle
4.OCI — Core technology used at Oracle
The interview process includes: Coding + SQL → Technical (2) → HR.
Coding Round Preparation
Difficulty Level: Medium (LeetCode)
Focus Areas:
•Arrays & Strings (always asked)
•Trees & Graphs (frequently asked)
•Dynamic Programming (occasionally)
•System Design (required for SDE-2+)
Interview Tips
1.Strong SQL is a must
2.Practice Java thoroughly
3.Know DBMS concepts deeply
Frequently Asked Questions
How many rounds are there in Oracle interviews?
Oracle typically has 3 rounds: Coding + SQL, Technical (2), HR.
What is the difficulty of Oracle coding rounds?
LeetCode Medium.
How long to prepare for Oracle?
2-4 months of focused preparation.
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