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Latest Record Per Patient or Device

Medium
MediumSQL & Data ManipulationRankingrow_numbersql

Problem

How would you use ROW_NUMBER to identify the latest record per patient or device?

Practicing as: Data Scientist interview at Intuitive Surgical

Hi, I'll play your Intuitive Surgical interviewer for the Data Scientist role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.

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