Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Interviews
An In-Depth Guide to SQL SELECT DISTINCT Statement
SQL SELECT DISTINCT is a powerful statement for removing duplicates from your data. Learn how to use it in different scenarios and what its alternatives are.
Nathan Rosidi -
MS SQL Interview Questions That Will Challenge Your Skills
Solving actual MS SQL interview questions is the best way of preparing for a technical interview. Here’s a detailed guide on how to challenge your skills.Nathan Rosidi -
PySpark Interview Questions for Data Science Excellence
Navigating Through Essential PySpark Interview Questions from Basics to Advanced for Aspiring Data Scientists.Nathan Rosidi -
What Are the Most Common Python Basic Interview Questions?
This article covers key Python interview questions for beginners, focusing on basics and data handling in Python. Let's dive in!Nathan Rosidi -
Top Data Warehouse Interview Questions with Answers
Your ultimate guide to acing data warehouse interviews with in-depth answers to the interview questions and insider tips for every level.Nathan Rosidi -
A Guide to Tackling Challenging Deep Learning Interview Questions
Mastering Deep Learning and AI Interview Questions: What You Need to KnowNathan Rosidi -
SQL Interview Questions for the Data Analyst Position
Let's go over several examples which highlight some of the most important SQL concepts you’ll see in the SQL interview questions for Data Analyst position.Nathan Rosidi -
Postgres vs MySQL: Which is Better for Analytics?
Postgres vs MySQL: Looking into differences (and some similarities) between PostgreSQL and MySQL to help you decide which one suits your needs best.Nathan Rosidi -
Database Interview Questions
We’ll show you the most common SQL concepts you need to know to solve database interview questions.Nathan Rosidi -
The Ultimate Guide to Sorting in SQL
Mastering sorting in SQL is useful for both amateur and advanced programmers regardless of industry. Let's take a look at some real-life SQL sorting problems.Nathan Rosidi -
Understanding Python Operators with Example Programs
The mastery of Python operators will serve as a strong foundation for solving complex challenges with confidence and ease.Nathan Rosidi -
Microsoft SQL Interview Questions
We'll discuss one of the interesting Microsoft SQL interview questions to help prepare you for applying for a role as a Microsoft data scientist.Nathan Rosidi -