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Dev tools · alternatives · 2026

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This is a collection of 500 Python and SQL interview questions curated from actual data science job interviews. It serves as a practice resource for people preparing for data science roles. The questions cover two core… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I collected 500 python & SQL questions from data science interviews launched in 2020; newer entries below may have overtaken it.

  1. 1
    Dataquest▲139

    Online data science and programming training

    2019 · dataquest.io · its alternatives →

  2. 2PD
  3. 3

    Everyday Data Science. A book about using data science to solve day-to-day problems. It is a collection of stories, jokes, pictures, math, and code all designed to inspire future data professionals. We make decisions everyday, but often times we don

    2021 · andrewnc.github.io · its alternatives →

  4. 4CQ
  5. 5

    The text-based SQL learning game for data scientists and marketers

    2023 · lost-at-sql.therobinlord.com · its alternatives →

  6. 6

    Data Science and Python, starting at zero

    2015 · joelgrus.com · its alternatives →

  7. 7

    A data science interview question newsletter

    2019 · interviewquery.com · its alternatives →

  8. 8

    Get better at data science interviews

    2018 · interviewqs.com · its alternatives →

  9. 9

    Master SQL interview skills in weeks, say goodbye to nerves.

    2020 · sqlpad.io · its alternatives →

  10. 10

    An intro to Python & programming for wanna-be data scientists - webartifex/intro-to-python

    2020 · github.com · its alternatives →

  11. 11

    Your home for data science and AI. The world's leading publication for data science, data analytics, data engineering, machine learning, and artificial intelligence professionals.

    2019 · towardsdatascience.com · its alternatives →

  12. 12

    A free interview guide by a senior data scientist

    2016 · springboard.com · its alternatives →

  13. 13AM

    A casual midterm covering the range of data analysis and programming skills acquired so far.

    2014 · padjo.org · its alternatives →

  14. 14

    Data analysts training data analysts

    2014 · sqlschool.modeanalytics.com · its alternatives →

  15. 15

    Prepare SQL questions well for your developer job interviews

    2023 · javinpaul.gumroad.com · its alternatives →

  16. 16

    A curation of free data science resources

    2023 · datapen.io · its alternatives →

  17. 17

    Comprehensive DS interview question bank powered by AI

    2023 · prepfully.com · its alternatives →

  18. 18

    Free 70-page book on data science careers with expert advice

    2016 · learn.springboard.com · its alternatives →

  19. 19

    Entertaining way to learn SQL

    2015 · alexpineda.gumroad.com · its alternatives →

  20. 20

    I created a web page to compare different analytical databases (both self-managed and services, open-source and proprietary) on a realistic dataset. It contains 20+ databases, each with installation and data loading scripts. And they can be compared to each other on a set of 43 queries, by data load time or by storage size. There are switches to select different types of databases for comparison - for example, only MySQL compatible or PostgreSQL compatible. If you play with the switches, many interesting details will be uncovered. Full description:…

    2022 · benchmark.clickhouse.com · its alternatives →

  21. 21

    Detailed screencasts answering 50 common Python questions

    2020 · lernerpython.com · its alternatives →

  22. 22

    Interactive SQL database exploration in Python. Contribute to boydgreenfield/query development by creating an account on GitHub.

    2014 · github.com · its alternatives →

  23. 23

    I just launched a new free SQL practice platform today called DataLemur! I'm the author of Ace the Data Science Interview, and a lot of our readers wanted to practice the SQL questions from the book, so we decided to make DataLemur free and open! Even if you aren't job hunting, these tricky SQL questions are pretty fun to practice on.

    2022 · datalemur.com · its alternatives →

  24. 24

    Practice 50 Python interview questions with six hours of live-coding screencasts and Jupyter notebooks, covering data structures, OOP, and scoping. Free.

    2019 · store.lerner.co.il · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →

I collected 500 python & SQL questions from data science…