Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started

7-Day Rolling Average with Window Functions

HardSQL & Data Manipulation00:00
Practice interviewer
In session
5 left
00:00

Your question is 7-Day Rolling Average with Window Functions. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

You need to log in / sign up to chat or submit.

Problem

Write a query using window functions to calculate the 7-day rolling average of operational downtime for a specific product line at Siemens Healthineers.