Given a database schema, they ask you to connect your laptop to a larger screen and write queries on an online tool.
Data Engineer Interview Questions
Data Engineer Interview Questions
Data engineers are IT professionals who are needed in almost every industry. Data engineers monitor data trends to determine best next steps for companies. A critical part of a data engineer job is to process raw data into usable data by creating data pipelines and building data systems.
Top Data Engineer Interview Questions & How To Answer
Question #1: Can you describe in detail your level of expertise with programming languages?
Question #2: Explain data engineering in your own words.
Question #3: Can you describe your experience working with Apache Hadoop and cloud data management environments?
20,235 data engineer interview questions shared by candidates
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.
What is data Engineering
First round was a technical round based on SQL and java questions.It was a pen and paper round.The second round was a technical interview round where the interviewer asked questions on SQL like name different joins,normalization etc
Join three tables... or something along those lines. Again, my SQL is rusty.
Describe a system you've written.
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