SELECT DISTINCT tableUsers.descUserCn as [Kennung], tableUsers.Nachname, tableUsers.Vorname, tableUsers.division as 'Abteilung', tableUsers.office as 'Dienststelle', tblStatusUserCourse.BestComplete as [Bearbeitungsstand (%)], NULLIF(tblStatusUserCourse.BestExercises,-1) as [Aufgaben bestanden (%)], NULLIF(tblStatusUserCourse.BestExams,-1) as [Test bestanden (%)] FROM tableUsers INNER JOIN tblUsersTargetGroups ON tblUsersTargetGroups.UserCn = tableUsers.intUserCn INNER JOIN tblEduOffersTargetGroups ON tblEduOffersTargetGroups.targetGroup_id = tblUsersTargetGroups.targetGroup_id INNER JOIN tblEduOffersModules ON tblEduOffersModules.eduOffer_id = tblEduOffersTargetGroups.eduOffer_id INNER JOIN tblModuleItems ON tblModuleItems.module_id = tblEduOffersModules.module_id LEFT JOIN tblStatusUserCourse ON tableUsers.intUserCn = tblStatusUserCourse.UserId AND tblStatusUserCourse.theme_id = tblModuleItems.item_id WHERE tableUsers.mandator_id = @current_mandator_id AND tblModuleItems.item_id = @theme_id