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Data Engineer Interview Questions
20,993 data engineer interview questions shared by candidates
What file do you prefer, fixed width or csv.
Q: Comment ferais-tu scaler une recherche full-text d'une infra postgres vers une architecture capable de traiter du très grand volume?
Qual sua ambição dentro da empresa?
SQL Python / Java (one essential)
I was asked about slow-changing dimensions in Data Warehousing.
Some of the questions; your highest level of education, your work history, current work title and duties, what projects are you most proud of, are you pursuing educational goals, etc.
What do you do to stay up to date with the industry?
Numbers represent elevation. Find how much snow can be trapped in the sequence of numbers as input.
(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?
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