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Storage, search & mediaMediumSDE-2

Design the query behind 'show restaurants within 5 km that are open now, deliver to me, rated 4+, and match "biryani"' for a food app with 500,000 restaurants across India.

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SwiggyZeptoZomato

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Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Design restaurant search and discovery (Zomato) Lesson: Geospatial indexing: geohash, quadtrees and H3

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