Le data engineer est un professionnel de l’informatique présent dans presque tous les secteurs. Il/Elle suit l’évolution et les tendances des données pour orienter les stratégies futures de l’entreprise. Une part essentielle de son travail consiste à transformer des données brutes en données exploitables en créant des pipelines et des systèmes de données.
En la entrevista con recursos humanos preguntan si quieres un cambio, por cuánto dinero te cambiarías, tus intereses, etc. En la entrevista técnica fueron preguntas fáciles, como qué harías para calcular algo o para resolver una situación. Las preguntas fueron sencillas y fueron muy amables.
Q: Explain how you design an end-to-end data pipeline using Azure Data Factory.
How long it takes to learn a new technology?
Most of the questions from Spark and Scala.
joins, unions, window functions, subqueries.
Rental car service design question
Given two strings s1 and s2, tell if s1 is a rotation of s2.
Q. Find the top performing merchants for each day. Q. Write a query to find the total number of customers and the first time customers who ordered with the top-performing merchant that day. First time customers are the customers who ordered never before that delivery date. Q. Find top performing merchants for each day with the Total_Amount_Earned on the previous day.
what is an inode
come avresti disegnato il seguente DB data le richieste dell'esercizio a casa?
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