Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
SQL
DoorDash SQL Interview Questions
DoorDash SQL Interview Questions: delivery timing, order volumes, driver performance, and customer behavior
Sara Nobrega -
Amazon Business Analyst Interview Questions
Sharpen your skills of writing SQL queries to maximize your chances of getting a Business Analyst job at Amazon
Irakli Tchigladze -
SQL Aggregate Functions Interview Questions
Let's take a deeper dive into the must-know SQL aggregate concepts for your next Data Science Interview.
Vivek Sankaran -
Amazon Data Engineer Interview Questions
Amazon Data Engineer interview questions that will specifically focus on the SQL coding skills relevant from a data engineering point of view.Vivek Sankaran -
SQL Window Functions Interview Questions
Here’s an article to help you answer the SQL interview questions that require knowledge of the SQL window functions.
Nathan Rosidi -
Data Engineer Interview Questions
A blog for all the budding Data Engineers to understand some SQL interview questions with hands-on practice through the StrataScratch platform.Nathan Rosidi -
Assignment Solutions: Basic SQL 2
The explanations and solutions for answering the question in the Assignment: Basic SQL 2.Nathan Rosidi -
How to Use STRING_AGG to Solve SQL Questions in Data Science Interviews
STRING_AGG is a rather rarely used SQL aggregation function but it sometimes comes useful when solving data science interview tasks. An example of this is the recent and very tasty interview question from Amazon that deals with some cookbook titles.Nathan Rosidi -
Assignment Solutions: Basic SQL 1
Take a look at the solutions and explanations to the Assignment: Basic SQL 1.Nathan Rosidi -
SQL Aggregate Functions - Interview Question by the City of San Francisco
Learn the crucial SQL aggregate function concepts by solving this interview question.Nathan Rosidi -
Lyft Data Scientist Interview Question Walkthrough
A three step solution to an SQL question asked during an interview at the ride-hailing company.Irakli Tchigladze -
Airbnb Data Scientist Interview Questions
This article will teach you how to solve one of the hard Airbnb data scientist interview questions.Nathan Rosidi -