Today, we’re looking for five quality resources that will teach you advanced SQL and do it for free.

KDnuggets is a leading resource for data scientists, machine learning engineers, and AI practitioners, offering news, tutorials, and insights on data science, machine learning, and artificial intelligence. With a focus on practical applications and real-world use cases, KDnuggets provides resources for learning data science techniques, exploring machine learning algorithms, and staying updated on the latest trends and advancements in the field.

KDnuggets

Discover five quality resources for learning advanced SQL for free, including tutorials, online courses, and video lectures from reputable sources like Mode Analytics, Stanford University, Kaggle, the University of Tübingen, and Philip Greenspun’s website. Topics covered include indexing, transactions, triggers, window functions, recursive CTEs, and more. Bonus mentions include StrataScratch and LeetCode for practicing SQL interview questions.

Top 5 Free Resources for Learning Advanced SQL Techniques

2. StanfordOnline: Databases: Advanced Topics in SQL