That took me to the German version, you can get to the English version (which is at the same url) through this page: http://wwwlgis.informatik.uni-kl.de/cms/cou

That took me to the German version, you can get to the English version (which is at the same url) through this page: http://wwwlgis.informatik.uni-kl.de/cms/courses/informationssysteme/sqlisland/ http://wwwlgis.informatik.uni-kl.de/cms/courses/informations...