Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Guides
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 -
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 -
From Data Collection to Model Deployment: 6 Stages of Data Science Project
You need to stand out from the thousands of your data science peers. Here’s how to use the six stages of the data science projects to do that.Nathan Rosidi -
AI Interview Questions: A Guide to Crafting Winning Answers
Master the AI Job Interview: Coding, Theoretical, and Scenario-Based Questions UncoveredNathan Rosidi -
How To Use LeetCode For Data Science SQL Interviews
Is LeetCode built for data science interview preparation? Let’s find out!Nathan Rosidi -
The Ultimate Guide to Become a Data Scientist at Google
It’s no joke to become a data scientist at Google. Their job requirements include minimum of a masters degree, work experience, statistical & database language.
Zulie Rane -
Advanced SQL Concepts to Improve Your and Code’s Performance
In this article, we’ll discuss advanced SQL concepts and their use cases. Then we’ll use them to answer interview questions from reputable employers.
Irakli Tchigladze -
How to Simplify Complex SQL Queries (With Examples)
In this article, we’ll discuss various ways to simplify complex SQL queries and apply these tips to answer difficult SQL interview questions.Irakli Tchigladze -
Real-World AI Projects That Will Change The Future
List of top AI projects that can be applied to the problems of the real world for a wide range of Data Scientists, from beginners to experts.Nathan Rosidi -