Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started

SQL Window Functions Month-Over-Month

Medium
MediumSQL & Data ManipulationWindow FunctionsLag/LeadDate FunctionsAsked 1 times

Problem

How would you use SQL window functions to compare each row to the previous month for the same customer?

Practicing as: Data Scientist interview at Ford Motor

Hi, I'll play your Ford Motor 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.

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
Next questions
Volvo GroupSQL Window Functions for Month-over-MonthMediumGoodyearSQL Window Functions for MoMMediumApplied Data FinanceMonth-over-Month Customer ActivityMedium