Data Interview Questions

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Code a data structure which allows us to store and retrieve items by key up to a fixed capacity. When we add items over capacity we free up space by removing an item first: 1) remove any expired item first 2) If there are no expired items, find the items with the lowest priority number, and remove the one which has been used least recently of them Optimise for time.
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Data Engineer

Interviewed at bp

3.8
Nov 2, 2023

Code a data structure which allows us to store and retrieve items by key up to a fixed capacity. When we add items over capacity we free up space by removing an item first: 1) remove any expired item first 2) If there are no expired items, find the items with the lowest priority number, and remove the one which has been used least recently of them Optimise for time.

SQL
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Data Engineer

Interviewed at Peloton Interactive

3.5
Mar 15, 2020

SQL

1.SQL where they test your SQL skill which I find easy to write. 2. Entry level question about google BigQuery. 3. A/B test result analysis(used online tool to answer the result calculation). 4. Question about a gateway page campaign data set to analyze the campaign performance. -What is A/A test? -How would you make the performance of gateway page better. and the most important question. do you really want to waste your time with this kind of company as i did?
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Data Analyst

Interviewed at TourRadar

4.2
Jun 3, 2022

1.SQL where they test your SQL skill which I find easy to write. 2. Entry level question about google BigQuery. 3. A/B test result analysis(used online tool to answer the result calculation). 4. Question about a gateway page campaign data set to analyze the campaign performance. -What is A/A test? -How would you make the performance of gateway page better. and the most important question. do you really want to waste your time with this kind of company as i did?

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