SELECT descUserCn as 'Kennung', Vorname, Nachname, tblMandators.name as 'Mandant', tblItems.title as 'Test-Title', tblItems.titleForLearners as 'TitleForLearner', lastPing as 'StartDate', cast(case when (select COUNT(*) from tblTasTestSessionQuestions where testSessionId = tblTasTestSessions.id)=0 then 0 else ((select COUNT(*) from tblTasTestSessionQuestions where testSessionId = tblTasTestSessions.id and answeredCorrectly=1)*100) /(select COUNT(*) from tblTasTestSessionQuestions where testSessionId = tblTasTestSessions.id) end as varchar) + '%' as 'Testresult' FROM tblTasTestSessions inner join tblTasTests on tblTasTestSessions.test_id = tblTasTests.id inner join tblItems on tblItems.id = tblTasTests.id inner join v_Users on tblTasTestSessions.user_id = v_Users.intUserCn inner join tblMandators on tblMandators.id = tblTasTests.mandator_id WHERE (@mandator_id is null or v_Users.mandator_id=@mandator_id) and mode<=1 and testSessionState=3 and DATEDIFF( MINUTE, lastPing, GETDATE() ) > 1 and not exists(select * from tblTasStatsTestSessions where tblTasStatsTestSessions.testsession_id=tblTasTestSessions.id) and not exists(select * from tblActionLog where action_id in (85,128) and effectedObject_id=tblTasTestSessions.id) and not exists(select * from tblActionLog where action_id in (85,128) and effectedObject_id=tblTasTestSessions.test_id and effectedObjectInt_id=tblTasTestSessions.user_id) and exists(select * from tblTasTestSessionQuestions where testSessionId = tblTasTestSessions.id and answeredCorrectly=1) and year(lastPing) = @year ORDER BY startDate, Nachname, Vorname, tblItems.title select distinct cast(year(lastPing) as int) as year_id, cast(year(lastPing) as nvarchar(64)) as year_name from tblTasTestSessions inner join tblTasTests on tblTasTestSessions.test_id = tblTasTests.id where (@mandator_id is null or tblTasTests.mandator_id = @mandator_id) and mode<=1 and testSessionState=3 and DATEDIFF( MINUTE, lastPing, GETDATE() ) > 1 and not exists(select * from tblTasStatsTestSessions where tblTasStatsTestSessions.testsession_id=tblTasTestSessions.id) and not exists(select * from tblActionLog where action_id in (85,128) and effectedObject_id=tblTasTestSessions.id) and not exists(select * from tblActionLog where action_id in (85,128) and effectedObject_id=tblTasTestSessions.test_id and effectedObjectInt_id=tblTasTestSessions.user_id) and exists(select * from tblTasTestSessionQuestions where testSessionId = tblTasTestSessions.id and answeredCorrectly=1) order by year(lastPing)