-- test data, if date range is set, month is ignored --DECLARE @dateRange_start DATETIME = '2025-02-01' --DECLARE @dateRange_end DATETIME = '2025-04-01' --DECLARE @month INT = 7; DECLARE @now DATETIME = GETDATE(); DECLARE @year INT = IIF(@dateRange_start IS NULL OR @dateRange_end IS NULL, IIF(@month < MONTH(@now), YEAR(@now), YEAR(@now) - 1), YEAR(@dateRange_start) ); -- explicit start date, if both dates are set; beginning of the year based on the month, otherwise DECLARE @startDate DATETIME = IIF(@dateRange_start IS NULL OR @dateRange_end IS NULL, DATEFROMPARTS(@year, 1, 1), @dateRange_start); -- beginning of the next month, which might be next year DECLARE @endDate DATETIME = IIF(@dateRange_start IS NULL OR @dateRange_end IS NULL, IIF( @month = 12, DATEFROMPARTS(@year + 1, 1, 1), DATEFROMPARTS(@year, @month + 1, 1) ), @dateRange_end ); -- date ranges for which the data should be shown DECLARE @dateRanges TABLE ( "start" DATETIME, "end" DATETIME ); DECLARE @currentDate DATETIME = @startDate; DECLARE @nextDate DATETIME; DECLARE @currentMonth INT = MONTH(@startDate); WHILE (@currentDate < @endDate) BEGIN SET @nextDate = IIF( @currentMonth = 12, DATEFROMPARTS(@year + 1, 1, 1), DATEFROMPARTS(@year, @currentMonth + 1, 1) ) IF (@nextDate > @endDate) BEGIN SET @nextDate = @endDate; END INSERT INTO @dateRanges ("start", "end") VALUES ( @currentDate, @nextDate ) SET @currentDate = @nextDate; SET @currentMonth = @currentMonth + 1; IF (@currentMonth = 13) BEGIN SET @currentMonth = 1; SET @year = @year + 1; END END SELECT PNR, FORMAT("start", 'dd.MM.yyyy') Geltungsmonat, ROUND(SUM(durationTheme)/60, 2) 'Summe WBT', ROUND(CONVERT(float, SUM(durationTraining)) / 60, 2) 'Summe Seminare' FROM (SELECT descUserCn PNR, COALESCE(th.learningDuration, 0) durationTheme, COALESCE(t.durationMinutes, tt.durationMinutes, 0) durationTraining, dr."start" FROM tblStatusUserItemHistory suih JOIN tableUsers u ON u.intUserCn = suih.user_id JOIN @dateRanges dr ON dr.start <= suih.startDate AND dr."end" > suih.startDate LEFT JOIN tbltrainings t ON t.id = suih.item_id LEFT JOIN tblTrainingTitles tt ON tt.id = t.trainingTitle_id LEFT JOIN tblThemes th ON th.id = suih.item_id WHERE status = 2 AND (learningDuration > 0 OR t.durationMinutes > 0 OR tt.durationMinutes > 0) ) d GROUP BY PNR, "start" ORDER BY PNR, "start" SELECT [value], [text] FROM (VALUES (1, 'Januar'),(2, 'Februar'),(3, 'März'),(4, 'April'),(5, 'Mai'),(6, 'Juni'),(7, 'Juli'),(7, 'August'),(9, 'September'),(10, 'Oktober'),(11, 'November'),(12, 'Dezember') ) AS KeyValues([value], [text])