Global Data Science Forum

Solving Complex SQL Interview Questions [How to organize lengthy code solutions]

  • 1.  Solving Complex SQL Interview Questions [How to organize lengthy code solutions]

    Posted Sun January 24, 2021 08:48 AM
    Let's talk about a framework to organize lengthy SQL code on a data science interview or on the job. Most data science problems involve numerous business rules and deal with complicated logic. Your code might end up being hundreds of lines long. How do we properly organize our solution? I lay out a framework that can help anyone.

    Link to question:


    This series is for both beginner and intermediate data scientists and analysts interested in learning how to solve common data science interview questions in SQL. These are real data science interview questions.

    👉 Subscribe to my channel:
    👉 Playlist for more data science interview questions and answers:
    👉 Playlist for data science interview tips:
    👉 Practice more real data science interview questions:

    About The Platform:

    I'm using StrataScratch, a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.

    So, if you want more interview practice with real data science interview questions, visit All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.


    If you have any questions, comments, or feedback, please leave them here!
    Feel free to also email me at

    Rakib Raihan