LEARN-SQL: Learning Environment for Automatic Rating Notions of SQL

LEARN-SQL is a system conforming to the IMS QTI specification that allows on-line learning and assessment of students on SQL and other database skills in an automatic, interactive, informative, scalable and extensible manner.
This tool facilitates the definition of virtual laboratories or remote questionaries that are used by students of subjects to learn design and use of relational databases in the UPC.