Hard Design: URL Shortener (TinyURL)

Which data store is most appropriate for storing the core short_code → long_url mapping at scale?

— Tests your understanding of this concept.

Answer Options

A MySQL with full-text index
B DynamoDB with short_code as partition key
C Elasticsearch
D MongoDB with compound index

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This question is from the Design: URL Shortener (TinyURL) topic (System Design Cases).

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