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Building Blocks5

Caching
Databases — SQL vs NoSQL
Message Queues & Async Processing
API Design & Communication
CDNs, Blob Storage & Search

Distributed Patterns4

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Building Blocks5

Caching
Databases — SQL vs NoSQL
Message Queues & Async Processing
API Design & Communication
CDNs, Blob Storage & Search

Distributed Patterns4

Learn System Design Building Blocks

Contribute, invite only

Databases — SQL vs NoSQL

Choose a data store based on access patterns and consistency needs rather than on which one is fashionable.

11 min readUpdated 2026-09-01system-designdatabasessqlnosql