Load 
	IterNo() as Bestellung,
	Date(Today() -60 + IterNo()) as Bestelldatum,
    Date(Today() -60 + IterNo() + Round(Rand() * 10)) as Lieferdatum
AutoGenerate 1
While IterNo() <= 60
;

Calendar:
DECLARE FIELD DEFINITION TAGGED '$date'
   Parameters
      first_month_of_year = 1
   Fields
      Year($1) As Year Tagged ('$numeric'),
      Month($1) as Month Tagged ('$numeric'),
      Week($1) as Week Tagged ('$numeric'),
      Weekday($1) as Weekday Tagged ('$numeric'),
      'Q' & Ceil(Month($1) / 3) as Quarter Tagged ('$text')
;

DERIVE FIELDS FROM FIELDS Bestelldatum,Lieferdatum USING Calendar;