Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started

SQL Window Functions for Rankings

Medium
MediumSQL & Data ManipulationWindow FunctionsRankingRunning TotalsAsked 1 times

Problem

How do you use SQL window functions to calculate running totals and rank users by activity over time?

Practicing as: Data Scientist interview at Datavant

Hi, I'll play your Datavant interviewer for the Data Scientist role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.

Take this as a live interview session →

You are practicing as a guest. Sign up free to get your answer graded with AI feedback. Your draft stays right here.

Sign up freeI have an account
Sign up to unlock solutions
Datavant Data Scientist Interview QuestionsDatavant Interview Questions
Next questions
Goodway GroupSQL Window Functions for RankingsMediumPublishers Clearing HouseSQL Window Functions for RankingMediumBank of AmericaSQL Window FunctionsMedium