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Oracle System Design Interview Questions

The ultimate guide to the Oracle System Design Interview. Master distributed system fundamentals, and practice with real-world interview questions & mock interviews.
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Grounded in real engineering problems at Oracle, this course tackles System Design questions spanning cloud infrastructure, databases, and enterprise applications. With expert-led walkthroughs and practical challenges, you’ll explore design trade-offs that reflect the scale and complexity of Oracle’s ecosystem. Using the RESHADED framework, you’ll learn to approach each question methodically—defining requirements, addressing constraints, and designing modular systems that support data replication, transaction processing, and fault tolerance at scale. By the end, you'll be prepared to tackle systems aligned with Oracle’s engineering standards, whether you're targeting roles in cloud, database, or enterprise product teams.
Grounded in real engineering problems at Oracle, this course tackles System Design questions spanning cloud infrastructure, data...Show More

WHAT YOU'LL LEARN

A structured approach to Oracle System Design Interviews focused on enterprise-scale architecture and distributed systems
Techniques for building robust data services, transactional systems, and backend APIs that mirror Oracle-scale demands
How to analyze requirements for systems that must prioritize consistency, durability, and data integrity
Insights into common System Design questions in Oracle interviews, with a focus on cloud infrastructure and data services
Strategies to approach design problems involving sharded databases, high-throughput APIs, and multi-tenant platforms
A practical, repeatable method for designing scalable enterprise systems across Oracle's product domains
A structured approach to Oracle System Design Interviews focused on enterprise-scale architecture and distributed systems

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Content

3.

Back-of-the-envelope Calculations

2 Lessons

Details on Back-of-the-envelope Calculations

4.

Building Blocks

1 Lessons

Building Blocks for Modern System Design

7.

The Content Delivery Network

6 Lessons

Understand what problems a CDN solves.

9.

Distributed Messaging Queue

7 Lessons

Details on Distributed Messaging Queue

10.

The Pub-sub

3 Lessons

Designing a pub-sub system.

11.

Rate Limiter

5 Lessons

Design of Rate Limiter

14.

Concluding the Building Blocks Discussion

3 Lessons

Let's wrap up on building blocks.

19.

Instagram

5 Lessons

Design of Instagram

20.

Web Crawler

5 Lessons

Design of Web Crawler

22.

Typeahead Suggestion System

7 Lessons

Design of Typeahead Suggestion System

25.

Google Colossus File System

3 Lessons

Design of Google Colossus File System

27.

Google Megastore

6 Lessons

Design of Google Megastore

28.

Many-Core Key-Value Store

5 Lessons

Learn about problems with scaling the Memcached key-value store with a many-core processor.

31.

Two-Phase Locking

3 Lessons

Design of Two-Phase Locking

36.

Two-Phase Commit (2PC)

4 Lessons

Design of Two-Phase Commit (2PC)

39.

Distributed System Failures

4 Lessons

Design of Distributed System Failures

40.

Wrapping up

1 Lessons

Just some final words.
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Frequently Asked Questions

What is the structure of the System Design interview at Oracle?

Oracle’s System Design interviews typically involve open-ended architectural problems focused on data-heavy, enterprise-grade systems. You’ll be expected to design services that meet high standards of availability, durability, and performance.

Are Oracle System Design interviews hard?

Yes. Oracle interviews are rigorous and emphasize deep architectural reasoning, particularly around databases, distributed systems, and high-reliability services.

How do I prepare for Oracle’s System Design interviews?

Focus on distributed systems, database architecture, and cloud infrastructure. Practice common design problems and review Oracle’s technical whitepapers or product documentation to understand their real-world implementations.

What kinds of problems are commonly asked in Oracle System Design Interview?

Candidates may be asked to design multi-tenant SaaS platforms, distributed transaction engines, metadata stores, or high-throughput query processors, problems aligned with Oracle’s core product lines.

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INTERVIEW PREP COURSES

Grokking the Modern System Design Interview

Grokking the Product Architecture Design Interview

Grokking the Coding Interview Patterns

Machine Learning System Design

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