4 Ways to Learn and Practice SQL for FREE
SQL (Structured Query Language) is an essential skill for anyone working with databases. Whether you're an aspiring data scientist, a business analyst, or a software developer, learning SQL will help you extract insights from data and make better decisions. The good news is that there are many free platforms that you can use to practice SQL and improve your skills.
In this post, we will introduce you to four popular and free platforms that you can use to write and test SQL queries, learn SQL through tutorials and exercises, and collaborate with others. These platforms include SQLZoo, W3Schools SQL, HackerRank SQL, and Mode SQL. Each platform has its own set of features and level of support for different SQL versions. We will provide a brief overview of each platform and highlight their key features.
This is an interactive platform that offers a variety of tutorials and exercises for learning SQL. You can access this website by clicking here. This online platform provides everything you need to get started. You do not need to download SQL or any database; you can go ahead and get started immediately. You can use it to prepare for an interview or just to learn and practice. Here is a screenshot of how it looks like:
2) W3Schools SQL
This is also an interactive tool where you can practice beginner level to advance SQL queries. You can use their "try it yourself" interactive tool; take a look at examples and explanations and even take a quiz to test your knowledge. You can access W3 schools here. This is how the "try it yourself" looks like:
3) Hackerrank SQL
Hackerrank offers coding challenges and SQL exercises. You can select the level you want the challenge to be (Basic, intermediate, advanced), and you can select how hard you want the challenge to be (Easy, Medium, Hard). This is a great tool if you are preparing for an interview where your SQL skills will be tested. Most interview questions are similar to hackerrank questions. Here is the link and this is what it looks like:
4) Mode SQL
Mode SQL is great for those who like more structured and traditional lecture-like learning and practicing. It provides lessons and an interactive learning experience. Click here to access mode SQL.
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There are many free platforms available for practicing SQL and improving your skills. Whether you're a beginner or an experienced user, these platforms offer a variety of resources and tools to help you write and test SQL queries, learn SQL through tutorials and exercises, and collaborate with others. Each platform has its own set of features and level of support for different SQL versions. It's recommended to try out different platforms and find the one that best suits your learning style and the specific SQL version you are working with. With the help of these free platforms, you can take your SQL skills to the next level and become a more proficient data analyst, scientist, or developer.
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