A Review of the Best Online Courses to Learn SQL for Data Science
Okay, let’s be real — SQL is one of those make-or-break skills for anyone serious about data science. It’s how you talk to databases, uncover hidden patterns, and basically turn boring data into exciting insights.
But with all those SQL courses out there, how do you know which ones won’t waste your time?
That’s where I step in. Think of me as your SQL-savvy friend. I’ve dug through the most popular courses, tried them out, and now I’m sharing the juicy details on which ones really deliver.
Let’s dive in and get ready to level up your data-wrangling game!
1. The Basics: SQL Queries, Insert, Update, Delete
This is where your SQL journey begins. You’ll learn how to grab the data you need, add new stuff, make changes, and even ditch data when it’s outdated. Think of it as building the foundation of your SQL house.
Those courses are pretty perfect if you’re completely new to SQL or your skills are a little rusty.
- What I loved: It’s super hands-on, making you actually practice those essential concepts until they become second nature.
- What could be better: If you’re looking for ultra-fancy data tricks, you might need more advanced courses later on.
My Takeaway: A solid starting point to feeling confident with your SQL basics (★★★★)
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👉🏻 Learn How to INSERT, UPDATE, and DELETE Data in SQL Here
2. Mastering SQL Functions
Consider this your ultimate data toolkit. SQL functions help you handle messy text, calculate dates, find averages, and basically streamline the whole analysis process.
Don’t hesitate to enroll in this course if you’re comfortable with basic SQL queries and you’re ready to take your data analysis skills to the next level.
- What I loved: Practical examples all the way! It shows how useful these functions are for real-world data problems.
- What could be better: You might get a bit lost if you’re still struggling with the very basics of SQL.
My Takeaway: A game-changer for making data analysis less of a headache (★★★★★)
👉🏻 Learn Standard SQL Functions Here
3. The Game Changer: Window Functions
Ready to become an SQL superstar? Window functions let you do crazy calculations that would be impossible with basic SQL. We’re talking next-level analysis powers right here.
You’ve already mastered the basics, and you’re hungry to uncover deeper insights then this course is for you!
- What I loved: Suddenly you can compare trends, slice and dice data like a pro, and answer complex questions.
- What could be better: This is definitely not for beginners. You need a good grasp of SQL fundamentals first.
My Takeaway: A challenging but rewarding course for SQL enthusiasts (★★★★)
👉🏻 Learn Window Functions Here
4. SQL for Data Science
This course zooms out a bit and shows you how SQL fits into the whole data science picture. You’ll learn cleaning data, analyzing it, and even some basic visualization stuff.
This course is ideal if you’re aiming to become a data scientist or you’re familiar with SQL but want to see how it’s used specifically in the field.
- What I loved: Projects help you understand how it all works in real life, not just in theory.
- What could be better: To become a true SQL pro, you’ll probably want to take more focused SQL courses too.
My Takeaway: Great for learning how SQL is a powerful tool for data scientists (★★★★☆)
👉🏻 Learn SQL for Data Science for Free
5. SQL for Data Science with R
This one’s all about teamwork — SQL and the super popular data analysis language, R. You’ll learn to use SQL to grab data and pull it into R for some serious number-crunching and awesome visuals.
This free course is a perfect fit for those who already use R and want to streamline how they get their data ready for analysis.
- What I loved: It bridges the gap between two essential tools for data scientists.
- What could be better: It’s more about using SQL within R, not becoming an SQL master in all scenarios.
My Takeaway: A useful course if you’re already a big fan of R (★★★☆)
👉🏻 Learn SQL for Data Science with R for Free
The Verdict
The perfect SQL course for you depends on your current skills and what you want to do with those skills.
Beginners, start with those foundational courses — it’s the smart way to build a solid base! If you’ve got some experience, niche courses on window functions or data science integration open up exciting possibilities.
But here’s the secret sauce: practice is EVERYTHING. Find real datasets to play with (even messy ones are great challenges) and don’t be afraid to mess up a bit.
That’s how you truly master SQL and unlock its full potential for your data science career!
Affiliate Disclosure: I’ve blanketed hyperlinks to my LearnSQL & Coursera referral link to make it easy for you to discover these Best Online SQL Training Courses for Data Science; I would like to absolutely transparent with you my dear readers; I’ve been associated with LearnSQL & Coursera as an Affiliate and will get a short commission if anyone purchase those awesome courses by my affiliate links.
