The Querys are like this
Dist_Datum = "SELECT DISTINCT (Data.Datum) FROM Data;"
Dist_Woche = "SELECT DISTINCT DatePart('ww',Data.Datum) FROM Data;"
Dist_Month = "SELECT DISTINCT MonthName(DatePart('m',Data.Datum),True) AS Monat, DatePart('m',Data.Datum) AS NMonat FROM Data ORDER BY...