SQL Python / Java (one essential)
Data Engineer Interview Questions
Data Engineer Interview Questions
I Data engineer sono professionisti informatici richiesti pressoché in tutti i settori. Si occupano di monitorare i trend dei dati per pianificare le azioni più adeguate che un'azienda deve intraprendere. Uno degli aspetti più critici del lavoro di un Data engineer è l'elaborazione dei dati grezzi e la loro trasformazione in dati utilizzabili per creare pipeline e sistemi di dati.
Domande tipiche dei colloqui per Data engineer e come rispondere
Domanda 1: Puoi descrivere in dettaglio il tuo livello di competenza nell'ambito dei linguaggi di programmazione?
Domanda 2: Spiega a parole tue che cos’è il data engineering.
Domanda 3: Puoi descrivere un'esperienza lavorativa con Apache Hadoop e in ambienti di gestione dei dati nel cloud?
20,193 data engineer interview questions shared by candidates
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?
Manager round: What do you like to work on? Wait for the follow up. So does that means you don't like to work on stuff that we are already working on?
Use SQL window functions to summarize user transactions
diferencia entre dataframe,dataset y RDD
Quale innovazione proporresti alla nostra azienda?
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