How to trouble shoot error in their algorithm software.
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 ?
20,200 data engineer interview questions shared by candidates
Explain Spark Context in detail
how do you think the optimization of the algorithm
How would you use Python to flatten a JSON object?
Aws - Boto3 SQL - Case Satement - Mod function - Qualify Row Number - Checksum Unix - Find hidden files within a folder Tons of behavioral questions
1) Imagine you are data modeling Netflix and create the entities and relationships involved using a modeling tool. 2) follow a link to a sql tool which shows 4 tables. Run some provided sql to populate the tables, Create the sql to aggregate the data and provide a result set showing the top row.
Imagine you receive an alert indicating that a group of servers in one pod has gone offline. How would you approach troubleshooting and resolving this issue?
Query a many to many relationship while not violating the grain of a fact table.
How would you design an ETL pipeline to handle real-time data ingestion from multiple sources (e.g., web servers, mobile apps) and ensure data quality and consistency before loading it into a data warehouse?
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