Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.

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 -

Solving LeetCode Meeting Rooms Problem for Data Science Interviews
Explaining two possible Python solutions to the LeetCode Meeting Rooms problem which is one of the most interesting and common algorithm problems.
Irakli Tchigladze -

Solving LeetCode Coin Change Problem for Data Science Interviews
Explore three different solutions to a difficult Python problem “LeetCode Coin Change Problem”
Irakli Tchigladze -

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 -

Solving LeetCode Word Break Problem for Data Science Interviews
Solve this LeetCode Python challenge called “Word Break” to sharpen your skills
Irakli Tchigladze -

Supervised vs Unsupervised Learning
Supervised and unsupervised learning: the two approaches that we should know in the world of machine learning.
Nathan Rosidi -

Probability Interview Questions For Data Scientists
In this article, we will look at a few probability questions from Data Science Interviews at top companies and outline various solving techniques.
Vivek Sankaran -

A Resource Guide to Jump-Start Your Own Data Science Projects
A very into-detail guide on the data science project components and the resources for jump starting your very own project.
Abhishek Ramesh -

Overview of Machine Learning Algorithms: Unsupervised Learning
This article is useful to help you get more familiar with the unsupervised learning algorithms in machine learning.
Nathan Rosidi -