Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Interviews
Technical Skills Needed as a Data Analyst with 1-2 Years of Experience
An overview of the top must-have technical skills a data analyst needs to stay competitive in the job market.
Vivek Sankaran -
Uber SQL Interview Questions
Breaking down the solution to one of the interesting Uber SQL interview questions
Irakli Tchigladze -
Illustrated Guide About Self Join in SQL
This illustrated guide will explain how self join in SQL works. We’ll do that on seven typical self join uses, complemented by real-world examples.
Nathan Rosidi -
Solving LeetCode Single Number Problem for Data Science Interviews
How does a data scientist solve the LeetCode Single Number problem in Python to prepare for their data science interviews?Nathan Rosidi -
What Is SQL GROUP BY and How to Use It?
The article discusses the seven most typical uses of SQL GROUP BY. We’ll go through its syntax and coding examples to give a taste of real-life SQL coding.Nathan Rosidi -
Learn to Use a Recursive CTE in SQL Query
A detailed tutorial on Recursive Common Table Expressions (CTE) in SQL. We’ll show you examples of how to use them and compare them with Non-Recursive CTEs.Nathan Rosidi -
Business Analyst Interview Questions
The ultimate guide for all the business analysts trying to choose the questions they should prepare for a job interview.Nathan Rosidi -
Amazon Data Science Interview Questions
In this article, we’ll solve one of the Amazon data science interview questions to show how to approach these questions the right way.Irakli Tchigladze -
Basic SQL Interview Questions
In this article, we will go over some basic SQL interview questions asked during the interviews and how to approach solving them easily.Nathan Rosidi -
Ranking in Python and SQL
In this article, we will explore the ranking parameters that can help you handle the ranking tasks in a more efficient and accurate manner.Nathan Rosidi -
14 Different Data Science Job Titles
A guide to all the data science job titles you can consider if you have a data science background.Nathan Rosidi -
Binomial Distribution in Python for Coin Flip Prediction
Exploring the binomial distribution in Python: understanding probability calculations for coin flips with different methods.Nathan Rosidi -