Data Engineer Interview Questions

20,169 data engineer interview questions shared by candidates

(This is what I stumbled on during the interview) Given an array of integers denoting the number of vehicles between each mile marker (value at index 0 is the number of vehicles between mile marker 0 to 10), how can you determine the number of vehicles in a given range? Follow up: if you were to perform m calls to this function, how could you optimize it such that you can speed up the retrieval for ranges that are commonly requested?
avatar

Data Engineer

Interviewed at Aetion

3.5
Mar 1, 2021

(This is what I stumbled on during the interview) Given an array of integers denoting the number of vehicles between each mile marker (value at index 0 is the number of vehicles between mile marker 0 to 10), how can you determine the number of vehicles in a given range? Follow up: if you were to perform m calls to this function, how could you optimize it such that you can speed up the retrieval for ranges that are commonly requested?

Viewing 351 - 360 interview questions

Glassdoor has 20,169 interview questions and reports from Data engineer interviews. Prepare for your interview. Get hired. Love your job.