LearnSQL is an online learning and evaluation system for database courses, coordinated by Alberto Abelló and Antoni Urpí, aimed at providing students with automated exercise assessments and feedback. The platform supports three languages and offers various assessment formats including quizzes and group work, while able to handle a large number of concurrent users through scalable architecture. The system has been in use since 2003 and is designed to adapt to European higher education standards while being extensible for new subjects and functionalities.