Data Science Internship Interview Questions

10,899 data science internship interview questions shared by candidates

1. What is a sql join 2. Is it possible for a left join to give the same result as an inner join, if yes, how 3. What is sql where,having statement 4. Whats a union, diff between union and join 5. How would you determine if a coin is fair if it gives 55 heads on 100 tosses The interview ended with a sql question; had to write a query about some lame open ended analytical situation.
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Data Science Analyst

Interviewed at Yelp

3.2
Feb 13, 2021

1. What is a sql join 2. Is it possible for a left join to give the same result as an inner join, if yes, how 3. What is sql where,having statement 4. Whats a union, diff between union and join 5. How would you determine if a coin is fair if it gives 55 heads on 100 tosses The interview ended with a sql question; had to write a query about some lame open ended analytical situation.

talk about your interests; difference between method and function in Python (example: A is a list A.sorted or sort(A)) how many joins we have and define each one (inner, outer, left outer, right outer, full join) what are the 5 constraints in SQL and how are they useful? -ask me a question
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Data Science Intern

Interviewed at Geotab

3.6
Dec 7, 2021

talk about your interests; difference between method and function in Python (example: A is a list A.sorted or sort(A)) how many joins we have and define each one (inner, outer, left outer, right outer, full join) what are the 5 constraints in SQL and how are they useful? -ask me a question

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