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Data Engineer Interview Questions

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Does database view occupy the disk space.

2 Answers

no

Indeed, it occupies space in proportion to the number of rows contained.

If you get an unsorted string of many a's and b's, how would you sort it in an efficient way?

1 Answer

how do you know FDM

1 Answer

Given a long list (with millions of items), find top k most reoccurring ones.

1 Answer

Write SQL code to select the person with highest paying salary. (Table in question)

1 Answer

Python and SQL Programming

1 Answer

Have you worked with big data before?

1 Answer

What compensation are you looking for?

1 Answer

What is your experience on ETL tool, what kind of project you did

1 Answer

Questions related to Hadoop and its usage, And quite a bit about previous work experience

1 Answer
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