5 resources
⬡ Website
Interactive tutorial
Computer Science: Databases - Khan Academy
A gentle interactive intro to databases and SQL - creating tables inserting data and querying. Great entry point for complete beginners.
⬡ Website
Full course
Problem sets & exercises
CS50's Introduction to Databases with SQL
Harvard's dedicated SQL and databases course - CRUD normalisation joins indexes views and transactions with real-world datasets throughout.
⬡ Website
Full course
Problem sets & exercises
Databases: Relational Databases and SQL
Stanford's foundational database course - relational model SQL schema design constraints and transactions. Free to audit.
⬡ Website
Interactive tutorial
Intro to SQL: Querying and Managing Data - Khan Academy
A gentle browser-based intro to SQL - creating tables inserting data querying and JOINs - with exercises at every step. No setup required.
▶ YouTube
Single video
SQL Explained in 100 Seconds
A punchy 100-second intro to SQL - tables foreign keys joins and why relational databases still run the world. Perfect first hook.