Product ArchitectureTechnical DiscussionDecomposition

Explain the database schemas and query structures required to search millions of geographic coordinates rapidly

Also asked as "Design a proximity service like Yelp or Nearby Friends."

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Interview question asked to Software Engineers interviewing at 2U, OakNorth, BigBasket and other companies. Original question asked: Explain the database schemas and query structures required to search millions of geographic coordinates rapidly.