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Oracle

Enterprise & Big Tech

100 interview questions from past Oracle candidates

How to use this company question set

Start with the highest-frequency questions to build momentum, then move into category gaps where your confidence is lower. If you are early in prep, pair this page with the full Oracle interview guide for process expectations and timeline context.

For stronger retention, rotate through coding patterns and the interview roadmap while tracking recurring misses in this company-specific list.

Company question insights and frequency breakdown

Total Questions

100

Very Common

35

Categories

4

Reports

1290

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Question Categories

Fundamentals (51)
Databases (35)
Caching (8)
Message Queues (6)

Very Common Questions
35

These questions are frequently asked at this company

DoorDash: Search and Discovery

Databases
medium
22 reports
mcq

Coinbase: Transaction History at Scale

Databases
medium
22 reports
mcq

Coinbase: Wallet Balance Tracking

Databases
hard
22 reports
mcq

Database: ACID vs BASE

Databases
hard
22 reports
mcq

Consistency Model for Messaging Systems

Databases
hard
22 reports
mcq

What does ROW_NUMBER() OVER (PARTITION BY dept ORDER BY salary DESC) do?

Databases
medium
22 reports
mcq

Palantir: Ontology-Driven Data Integration

Databases
medium
22 reports
mcq

Databricks: Data Skipping

Databases
medium
22 reports
mcq

Debug a database deadlock issue

Databases
hard
22 reports
verbal

Twitter Tweet Storage: Database Choice

Databases
medium
22 reports
mcq

Databricks: Data Lakehouse Architecture

Databases
easy
22 reports
mcq

Databricks: Multi-Cloud Data Sharing

Databases
hard
22 reports
mcq

Database: Read Replicas

Databases
medium
22 reports
mcq

Month-over-Month Revenue Growth

Databases
medium
22 reports
coding

Database Replication

Databases
medium
22 reports
mcq

ACID Properties

Databases
easy
22 reports
mcq

Explain database indexing to a new team member

Databases
hard
22 reports
verbal

Top 3 Products Per Category

Databases
medium
22 reports
coding

Database: Indexing Strategy

Databases
medium
22 reports
mcq

CAP Theorem

Databases
medium
22 reports
fill blank

DoorDash: Analytics Data Pipeline

Databases
medium
22 reports
mcq

Salesforce: Big Objects for Archival

Databases
hard
22 reports
mcq

Database Sharding: Choosing Shard Key

Databases
hard
22 reports
mcq

When is a database index NOT used?

Databases
medium
22 reports
mcq

Organization Hierarchy (Recursive CTE)

Databases
hard
22 reports
coding

Employees Above Department Average

Databases
medium
22 reports
coding

What is the N+1 query problem?

Databases
medium
22 reports
mcq

Databricks: Liquid Clustering

Databases
medium
22 reports
mcq

Spotify: Royalty Calculation

Databases
hard
22 reports
mcq

Stripe: Authorization vs Capture

Databases
medium
22 reports
mcq

System Design: SQL vs NoSQL

Databases
medium
22 reports
mcq

LinkedIn: Activity Feed Storage

Databases
medium
22 reports
mcq

LinkedIn: Graph Storage at Scale

Databases
hard
22 reports
mcq

Airbnb: Search Ranking Factors

Databases
hard
22 reports
mcq

DoorDash: Menu Management

Databases
medium
22 reports
mcq

Common Questions
65

Regularly reported by candidates

Netflix: Multi-Region Failover

Fundamentals
hard
8 reports
mcq

Palantir: Federated Data Architecture

Fundamentals
hard
8 reports
mcq

Coinbase: Transaction Processing Order

Message Queues
hard
8 reports
mcq

Databricks: Incremental Processing

Fundamentals
medium
8 reports
mcq

Meta: Photo Upload at Scale

Fundamentals
medium
8 reports
mcq

Robinhood: Payment for Order Flow

Fundamentals
medium
8 reports
mcq

Meta: Instagram Story Architecture

Fundamentals
medium
8 reports
mcq

Salesforce: Multi-Tenant Architecture Basics

Fundamentals
easy
8 reports
mcq

Apple: Memory Constraints

Fundamentals
hard
8 reports
mcq

Event Sourcing

Fundamentals
hard
8 reports
mcq

Databricks: Unity Catalog

Fundamentals
hard
8 reports
mcq

Salesforce: Shared Nothing vs Shared Everything

Fundamentals
hard
8 reports
mcq

Coinbase: Portfolio Tracking Dashboard

Fundamentals
medium
8 reports
mcq

Netflix: Event-Driven Architecture

Message Queues
medium
8 reports
mcq

Stripe: Idempotency Keys

Fundamentals
medium
8 reports
mcq

Bloomberg: Pub-Sub Market Data Architecture

Fundamentals
medium
8 reports
mcq

Cache Invalidation: Write-Through vs Write-Behind

Caching
hard
8 reports
mcq

Load Balancing Algorithms

Fundamentals
medium
8 reports
mcq

DoorDash: Notification System

Message Queues
medium
8 reports
mcq

Design a Key-Value Store

Fundamentals
medium
8 reports
system design

Coinbase: Crypto Exchange Order Book

Fundamentals
hard
8 reports
mcq

DoorDash: Dynamic Pricing (Surge)

Fundamentals
hard
8 reports
mcq

Spotify: Playlist Follow Notifications

Message Queues
medium
8 reports
mcq

Design a caching strategy for an e-commerce product catalog

Caching
medium
8 reports
verbal

Uber: Eventual Consistency in Location Data

Caching
medium
8 reports
mcq

Design a URL Shortener

Fundamentals
medium
8 reports
system design

Spotify: Real-time Lyrics Sync

Fundamentals
medium
8 reports
mcq

Cache Invalidation Strategies

Caching
medium
8 reports
mcq

Blue-Green Deployment

Fundamentals
medium
8 reports
mcq

Coinbase: Withdrawal Approval System

Fundamentals
hard
8 reports
mcq

Uber: Handling Network Partitions

Fundamentals
hard
8 reports
mcq

CAP Theorem Trade-offs

Fundamentals
easy
8 reports
fill blank

Design a Web Crawler

Caching
medium
8 reports
system design

Apple: Power vs Performance

Fundamentals
hard
8 reports
mcq

Circuit Breaker Pattern

Fundamentals
hard
8 reports
mcq

Databricks: Medallion Architecture

Fundamentals
hard
8 reports
mcq

Design a Distributed Cache

Caching
hard
8 reports
system design

LinkedIn: LinkedIn Learning Video Delivery

Fundamentals
hard
8 reports
mcq

Robinhood: Idempotency in Trading

Fundamentals
hard
8 reports
mcq

Spotify: Discover Weekly Architecture

Fundamentals
hard
8 reports
mcq

Stripe: Designing for Exactly-Once Payments

Fundamentals
hard
8 reports
mcq

DoorDash: Merchant Integration

Fundamentals
hard
8 reports
mcq

LRU Cache Eviction

Caching
medium
8 reports
fill blank

Meta: News Feed Ranking

Fundamentals
medium
8 reports
mcq

Spotify: Cross-Device Handoff

Fundamentals
medium
8 reports
mcq

Robinhood: Settlement and Clearing

Fundamentals
medium
8 reports
mcq

Databricks: Spark DAG Execution

Fundamentals
easy
8 reports
mcq

Coinbase: Audit Logging System

Fundamentals
hard
8 reports
mcq

Coinbase: Price Alert Notifications

Fundamentals
medium
8 reports
mcq

Robinhood: Circuit Breaker Pattern

Fundamentals
hard
8 reports
mcq

Salesforce: Apex Bulkification Pattern

Fundamentals
medium
8 reports
mcq

Coinbase: Price Feed Caching

Caching
medium
8 reports
mcq

Spotify: Concert Recommendations

Fundamentals
medium
8 reports
mcq

Uber: Processing Driver Location Updates

Message Queues
hard
8 reports
mcq

Airbnb: Real-Time Search Filtering

Fundamentals
medium
8 reports
mcq

Stripe: Async Payment Processing

Message Queues
hard
8 reports
mcq

Microsoft: Cloud Scaling Concept

Fundamentals
easy
8 reports
mcq

TikTok: Video Transcoding Pipeline

Fundamentals
easy
8 reports
mcq

Palantir: Immutable Data Architecture

Fundamentals
easy
8 reports
mcq

Databricks: Delta Lake ACID Transactions

Fundamentals
hard
8 reports
mcq

Robinhood: Regulatory Reporting

Fundamentals
hard
8 reports
mcq

DoorDash: Fraud Prevention

Fundamentals
hard
8 reports
mcq

Coinbase: KYC/Compliance Workflow

Fundamentals
hard
8 reports
mcq

Databricks: Photon Engine

Fundamentals
hard
8 reports
mcq

DoorDash: Dispatch System Architecture

Fundamentals
hard
8 reports
mcq

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