There are a total of 49 problems of Lord of SQL Injection including 'All Clear'. Even if you don't understand the problem, you can find many Korean explanations online.

Simplifying SQL Injection Detection Black Hat researcher releases new lexical analysis tool that doesn't rely on regular expressions ...

Although there has been a new IIS vulnerability disclosed in recent weeks, the attacks are only making use of poor site and database maintenance practices - using SQL injection to exploit sites.

Automated SQL injection attack tool makes database extraction as easy as a button click for cybercriminals ...