SQL - Q1. Find the IDs of the top 5 customers, ordered by average payment per book made by the people they invited.
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?
20,183 data engineer interview questions shared by candidates
Python (1) Count "char" in the string. (2) Replace "None" in an array. Codes are simple but passing edge cases are difficult. SQL several % calculation questions
Find max min avg of the order by date, customer, product, state. Coding was easy pretty much what people already posted here.
What percent of all products in the grocery chain's catalog are both low fat and recyclable?
Write a query that returns product_family, units_sold, percentage of promoted.
How do you educate yourself?
The rest 30minutes was for algorithmic programming in language of your choice. I completed 3.5 questions in 30minutes.
Basic data structure and sql statement at a very high level short answers
sql and python question 5+5
SQL queries
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