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SQL vs T-SQL: Understanding the Differences

SQL or T-SQL — which one do you need to learn? SQL ​and T-SQL both see heavy use in the database and data science industries. But what exactly are they? These two query languages are very similar, both in name and in what they can do, so the distinction between them can be difficult to […]

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The Best Way to Learn SQL (According to Seasoned Devs)

What’s the best way to learn SQL? With all of the resources available, learning SQL the “right way” can be difficult. Finding the best way to learn SQL is tricky because everyone learns things differently. But, after training tens of thousands of students — seeing what works and what doesn’t — we’ve come up with […]

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SQL Commands: The Complete List (w/ Examples)

What can you do with SQL? Here’s a reference guide to the most commonly-used SQL commands, with code examples.

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SQL vs MySQL: A Simple Guide to the Differences

SQL and MySQL are important tools for working with data. But what are they, exactly, and how are they different? Let’s clear that up.

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SQL Interview Questions — Real Questions to Prep for Your Job Interview

A lot of the SQL interview questions you’ll find on the web are generic: “What is SQL?” You’ll never be asked that. We’ve got real questions to help you prep.

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SQL Cheat Sheet — SQL Reference Guide for Data Analysis

Whether you’re learning SQL through one of our interactive SQL courses or by some other means, it can be really helpful to have a SQL cheat sheet. Bookmark this article, or download and print the PDF, and keep it handy for quick reference the next time you’re writing an SQL query!   Our SQL cheat […]

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R vs Python for Data Analysis — An Objective Comparison

Python vs. R — which is better for data science? We compare the two languages side by side and see how Python and R perform on the same analysis steps.

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How Long Does it Take to Learn Python?

Are you ready to learn Python for Data Science? With the right program, habits and structure you can master it more quickly than you might think.

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23 RStudio Tips, Tricks, and Shortcuts

RStudio is a powerful tool for data analysis. Here are 23 tips, tricks, and shortcuts to turn you into an RStudio power user!

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15 Python Libraries for Data Science You Should Know

There are quite a few great, free, open-source Python libraries for data science. In this post, we’ll cover 15 of the most popular and what they can do.

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