SQLBeginner
Intro to SQL: Querying and Managing Data
Khan Academy's interactive SQL course. Learn to create tables, insert data, query with SELECT, filter with WHERE, join tables, and aggregate with GROUP BY.
SQL by level
Free Beginner SQL Courses
Curated beginner-level SQL courses from the best free platforms on the internet.
4Beginner courses
3With certificate
Free beginner SQL courses
Harvard CS50Certificate
SQLBeginner
CS50's Introduction to Databases with SQL
Harvard's dedicated SQL course. Learn to design databases, write complex queries, use indexes, and work with SQLite, MySQL, and PostgreSQL.
CourseraCertificate
SQLBeginner
Google Data Analytics Professional Certificate
Google's data analytics certificate. Covers data cleaning, analysis, visualisation with Tableau, SQL queries, and R programming. Free to audit; certificate costs money.
Kaggle LearnCertificate
SQLBeginner
Intro to SQL (Kaggle Learn)
Kaggle Learn's 3-hour SQL micro-course using BigQuery. Covers SELECT, WHERE, GROUP BY, ORDER BY, JOINs, and writing efficient queries over large datasets. Notebook-based and free.