SQL Injection Courses
PortSwigger via Independent Penetration Tester
HTB Academy via Independent Application Security for Developers
IBM via edX Beginner Web Application Hacking
Cyber Mentor via YouTube Web App Testing - SQL Injections and Live Bug Bounty Hunting
Cyber Mentor via YouTube Cybersécurité : comment sécuriser un site web
Institut Mines-Télécom via Coursera Popular Web Attacks - XSS, CSRF, SSRF, SQL Injection, MIME Sniffing, Smuggling and More
Hussein Nasser via YouTube Web Hacking for Beginners
Udemy Learn Cyber Security From Scratch
Udemy Ethical Hacking from Scratch - The Complete Course
Udemy