Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Top 30 SQL Query Interview Questions
Today we’re having a look at the top 30 SQL query interview questions and concepts that you must prepare for an SQL coding interview.
Nathan Rosidi -
Data Science Coding Interview Questions with 5 Technical Concepts
Understanding 5 coding concepts of data science coding interview questions that companies will test you on and preparing for them effectively.Nathan Rosidi -
A Comprehensive Guide to Advanced Python Concepts
Advanced Python explained in a way that even beginners can get it. We’ll give you an overview of the concepts and then dedicate a separate article to each.Nathan Rosidi -
SQL Interview Questions You Must Prepare: The Ultimate Guide
This ultimate guide will take you through the top SQL interview questions for various data positions and tips to approach your next interview.Nathan Rosidi -
The Best Way to Learn SQL for Data Science
You don’t know how to learn SQL? No more excuses! This is a detailed guide to the best ways of learning this most in-demand skill.Nathan Rosidi -
Python Pandas Interview Questions for Data Science
An overview of the basics of data manipulation and the types of Python Pandas interview questions asked in Data Science Interviews.
Vivek Sankaran -
Top Most Common SQL Coding Errors in Data Science
Let's look at some common SQL coding errors that data science beginners usually make. We will look at the concepts and hands-on practice using real examples.Nathan Rosidi -
Best Practices to Write SQL Queries: How To Structure Your Code
This article focuses on how to write SQL queries correctly and how it can still be improved, in particular when it comes to performance and readability.Nathan Rosidi -
Understanding Python Try Except Blocks
From basics to advanced: Navigating Python try except blocks with real-world data science applications using the world happiness report dataset.Nathan Rosidi -
Similarities & Differences: Left Join vs. Left Outer Join
Today, we have a clash of titans: LEFT JOIN vs. LEFT OUTER JOIN! Are they different at all? Why answer ‘yes’ or ‘no’ when we can write an article on that?Nathan Rosidi -
11 Best Companies to Work for as a Data Scientist
This list of best data science companies aims to go beyond the usual and expected. Some great and perhaps underrated options to get a job as a data scientist.
Zulie Rane -
7 Magic Methods That Will Turn You Into a Python Wizard
Unlock the power of Python magic methods to level up your programming skills. From the basic __init__to the advanced __getitem__.Nathan Rosidi -