about pyspark how do partitions get hung up , common reasons. Also solve some problems.
Data Engineer Interview Questions
Data Engineer Interview Questions
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.
Questions d'entretien d'embauche fréquentes pour un data engineer (H/F) et comment y répondre
Question 1 : Décrivez en détail votre niveau d’expertise en langage de programmation.
Question 2 : Expliquez selon vous en quoi consiste le data engineering.
Question 3 : Quelle est votre expérience en gestion de données dans le cloud et avec Apache Hadoop ?
20,300 data engineer interview questions shared by candidates
Data Engineering and relevant questions
Does salary range align with my expectations
Am I available for a phone screen
Given a database schema, they ask you to connect your laptop to a larger screen and write queries on an online tool.
Many questions were asked. The interviewer cared about technical specifics as well as overall quality and drives as expressed by me.
Do you know what a narrow rdd is and a wide rdd is?
I don't think revealing the questions will benefit you. I can, however, provide general info, regarding the questions i do remember (long interview process spanning over 3 weeks, can't remember it all): 1. Find occurrence frequency as efficiently as possible. 2. Calculate attribute average for huge dataset.
MYSQL queries by joining tables. Resume walkthrough, going deep into technical scenarios. Python code to import the provided CSV file and do necessary transformation and load in to a MySQL server.
They wanted to know my high school math grades and how they compared to those of my classmates.
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