Junior Data Engineer Interview Questions

450 junior data engineer interview questions shared by candidates

1. From two flight tables fetch the time taken between src date and destination date. 2. From two tables fetch the name from table A and email from table B. 3. Find the 2nd highest salary from the employee table. 4. Which AWS service did I used and how to automate that process. 5. Count function. 6. Fetch the data where email is null in employee table. 7. Sum of even numbers in a list in python. 8. How to convert a list into dataframe using PySpark. 9. How to read a csv file using PySpark.
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Junior Data Engineer

Interviewed at Tenant Inc.

3
Mar 4, 2025

1. From two flight tables fetch the time taken between src date and destination date. 2. From two tables fetch the name from table A and email from table B. 3. Find the 2nd highest salary from the employee table. 4. Which AWS service did I used and how to automate that process. 5. Count function. 6. Fetch the data where email is null in employee table. 7. Sum of even numbers in a list in python. 8. How to convert a list into dataframe using PySpark. 9. How to read a csv file using PySpark.

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