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My favorite websites to learn SQL Query and Database fundamentals online like SQLZoo, SQLBolt, Khan Academy and Udemy

Hello guys, if you want to learn SQL in depth and are looking for the best free resources like websites, books, and online courses, you have come to the right place. Earlier, I have shared the best free SQL courses and books, and in this article, I will share the best websites and places where you can learn SQL online for me.

SQL is one of the most important skills for any programmer, be it a Java, C++, Python, JavaScript, or Ruby developer. Almost 95% of the Java applications use a relational database in their back-end, and almost all web applications use the database.

In recent years, one of the most common ways to learn any programming skill is online, at your comfort of the office or home, and SQL is no different. Learning SQL online has another advantage of a quick head start because you don’t need to install a database and create tables to write some SELECT queries.

The installation and setup are definitely a tough part for beginners, and I have gone through that pain every time I have to learn a new database.

Anyway, once you start writing queries and seeing the result, you feel that confidence is needed to go to the next level, which involves downloading and installing a free copy of popular databases like MySQL, SQL Server, PostgreSQL, or Oracle in your machine.

From my experience, I can say that SQL is easy to learn but difficult to master. You can start writing SQL queries in about an hour or so, but when it comes to writing queries to solve real-time requirements or reporting purposes, it’s not that easy.

Practicing SQL online on sites like SQLZoo or SQLFiddle will further help you keep yourself up-to-date and improve your SQL skills, which is the main challenge for any SQL developer or programmer.

Here is my collection of the top five websites, which I found good to learn and master SQL. There are many websites, blogs, and tutorials out there on the internet, but at the same time, it’s difficult to find excellent resources.

Since I have a passion for collecting good resources for learning technology, I always bookmark my great discoveries. These websites are some of those, while some are quite common, like Udemy and Coursera, others like SQLZoo and SQLBolt are real gems.

This website has the biggest collection of online courses, both free and paid. Since online courses are a great way to learn a new technology or programming language, you can also learn the basics of SQL and Databases.

Finding the right course is a tough job there as well because there are literally so many courses, and you are not sure which instructor is best and which course meets your requirements, so you need to watch previews, read reviews, and decide based upon that.

If you ask me, The Complete SQL Bootcamp by Josh Portilla is the best course to learn SQL. It has, on average, 4.5 ratings from more than 127,000 students, which are really impressive.

The only thing is that it’s not free, but you can get it really cheap, like in less than $10 on Udemy’s flash sale, which happens all the time. The course also provides certificates to indicate that you have completed the SQL training, adding to your resume or Linkedin profile.

As I have said, Udemy also has many free courses to learn SQL and Database, and the following are my recommendations to start with.

These are some excellent free courses you can take on Udemy to learn SQL and Database fundamentals, querying, etc.

Though you need to be careful that these courses may not remain free all the time and may be converted into paid courses once the instructor reaches their promotional targets.

But, once you join, it will be free to you all the time. So, it’s better to join them before they become paid courses and learn at a time convenient to you.