In this post, we will see the list of questions asked in Tech Mahindra Company Interview for Data Engineering profile.

Let’s see the Questions:
1. What are PySpark transformations?
2. What is PySpark architecture?
3. What is a DAG in PySpark?
4. What are actions in PySpark?
5. Difference between narrow and wide transformations?
6. Difference between coalesce() and repartition()?
7. Difference between broadcast() and cache()?
8. How to create a new column with a constant value?
9. How to sort without inbuilt functions?
10. How to find the smallest number in a list?
11. How to find the smallest value in a dictionary?

I hope these questions assist anyone preparing for their interviews.

Check out the given link for knowing about this company: https://www.techmahindra.com/
Check out the given link for knowing about this company rating on Glassdoor: https://www.glassdoor.co.in/Reviews/Tech-Mahindra-Reviews-E135932.htm

Check out the given link for this company profile on LinkedIn: https://www.linkedin.com/company/tech-mahindra/posts/?feedView=all

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