MediumEvaluateSystem Design Interview FrameworkMultiple Choice
You need to store 500 billion social graph edges with sub-millisecond multi-hop traversal queries. Which database do you choose?
Evaluate — Tests ability to make judgments and justify decisions.
Answer Options
APostgreSQL with self-joins
BMongoDB with embedded documents
CNeo4j or a graph database
DCassandra with a composite partition key
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