SQL is one of the most important skills for data science. Want to learn SQL from free resources?
✨ Here are the 7 best free resources for learning SQL.
1️⃣ SQLZoo
📌 SQLZoo is an interactive, Wiki-based tutorial that provides lessons and projects for beginners in SQL.
🔗 https://sqlzoo.net/wiki/SQL_Tutorial
2️⃣ SQLBolt
📌 SQLBolt offers easy-to-follow instructions, a simple interface, and interactive exercises to teach basic proficiency in SQL.
🔗 https://sqlbolt.com
3️⃣ Kaggle
📌 Kaggle provides tutorials to learn SQL for working with databases, using Google BigQuery from introduction to advanced level.
🔗 https://www.kaggle.com/learn/intro-to-sql
4️⃣ CodeAcademy
📌 This free SQL course teaches you how to communicate with relational databases through SQL.
🔗 https://join.codecademy.com/learn/learn-sql/
5️⃣ Pop SQL
📌 This website allows you to share queries, store commonly used queries in a searchable library, and provides a visual interface for analysis.
🔗 https://popsql.com/learn-sql
6️⃣ Learning SQL
📌 If you like to learn with a book, Learning SQL book is for you.
📌 This book is available to read for free online via this PDF.
🔗 http://www.r-5.org/files/books/computers/languages/sql/mysql/Alan_Beaulieu-Learning_SQL-EN.pdf
7️⃣ Khan Academy
📌 This course includes video-based content with detailed explanations.
🔗 https://www.khanacademy.org/computing/computer-programming/sql/sql-basics/v/welcome-to-sql
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