Q: Most Technical Question: Describe Data Engineering Project You've worked on
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
Tell me about your experience
How would you insert new records into a table, and update existing data if the record had changed?
What is the difference between a map and a flatMap in Scala
Q: How big of a dataset have you worked with before in your projects
What is a dual eligibility?
Bellow is a table called fact_daily_users, which contains the users who were active on a specific date with the specific action they have made (aggregate total actions per row). user_id | date | action| total_actions| day_in_row 332 |17/06| view | 1 | 1 332 |20/06| view | 6 | 1 332 |20/06| click | 2 | 1 221 |24/06| view | 4 | 1 221 |24/06| click | 2 | 1 221 |21/06| view | 1 | 2 221 |20/06| view | 1 | 1 332 |21/06| view | 4 | 2 332 |21/06| click | 3 | 2 Q1: write a query that calculates the logic of day_in_row field with SQL, no joins are allowed. "day_in_row" shows consecutive days for user - users that return day after day to the website per row. Q2: write a function (Python / Java) that gets sql query and returns the output in json object
What is Integration Runtime in azure?
Banking application code verification, bug fixes and performance improvement.
Python 1. How to remove duplicates 2. Words frequency in a dictionary 3. Multiple Constraints based dictionary questions SQL 1. Find the time between next station for a train
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