SQL & Database Interview Questions & Answers for Data Scientists

Youssef Hosni
7 min readJun 25, 2022

I started an intuitive on LinkedIn in May 2022 in which I am posting daily data science interview questions and the answers I got on each post I summarize them and post on the next day in another post. The questions are prepared by me, in addition to others that I received from my connections on LinkedIn. You are more than welcome to send me questions on my LinkedIn profile or through my personal email.

The main goal of this intuitive is to revise the basics of data science, be prepared for your next interview, and know what are the expected questions in a data science interview. For better access, the questions and answers are gathered here in these articles and also in this GitHub repository. They will be updated with new questions daily.

The questions are divided into seven categories:

If you would like to participate in answering these questions follow me on LinkedIn, I post new questions at 8 pm (EEST).

SQL and database interview questions and answers / Photo by Sunder Muthukumaran on Unsplash

If you want to study Data Science and Machine Learning for free, check out these resources:

If you would like to start a career in data science & AI and you do not know how. I offer data science mentoring sessions and long-term career mentoring:

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