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Databases System Design Case Studies

4 Databases case studies from Amazon with full breakdowns.

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Companies

TikTok5Amazon4Atlassian4JPMorgan4Microsoft4Airbnb2Apple2Databricks2Flipkart2Goldman Sachs2Meta2Snowflake2Visa2Walmart2Anthropic1Bloomberg1Capital One1Google1LinkedIn1Netflix1NVIDIA1Oracle1Pinterest1Roblox1Salesforce1Uber1

Topics

Distributed Systems 90Real-time 51Storage 43Data Pipelines 42API Design 41Databases 38Caching 37Security 32AI / ML 23Algorithms 20Scheduling 20Search 19Event Driven 14Fintech 14Payments 11Geospatial 11Analytics 11Observability 11E-commerce 11Messaging 10CDN 9Concurrency 8Ads 8Frontend 8Booking System 6Networking 5IoT 4Media 3Media Streaming 3Collaboration 3Rate Limiting 2
Amazon✕Databases✕Clear all
Globally Consistent (Linearizable) Metadata Service
4 min readDistributed SystemsDatabasesStorage
Advanced▶ Mock
Perishable-Goods Inventory and Location Tracking
3 min readE-commerceDatabasesEvent Driven
Intermediate▶ Mock
High Availability and Failover for a Primary-Replica Database
4 min readDatabasesDistributed Systems
Intermediate▶ Mock
Relational Database Internals (Write Path and Recovery)
7 min readDatabasesStorageDistributed Systems
Advanced▶ Mock

Frequently Asked Questions

What is Databases in system design?

Databases is a core system design topic covered in 38 case studies on InterviewSkool. It appears frequently in FAANG interviews, especially at Google, Amazon, and Meta.

How should I prepare Databases for system design interviews?

Study the case studies above, focusing on architecture trade-offs, scale estimates, and API designs. Practice explaining your decisions aloud — this is exactly what interviewers evaluate.

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