Good Morning / Afternoon,
Ive got the following query:
SELECT labgegevens.monsternr, tblstabilisatiecilinders.*, (([massaschlmonnat]-[massa3])/([massa3]-[massaschl]))*100 AS watergeh, (([massa]/(100+[watergeh]))*100000)/[opvinh] AS drgdchthd, tblstabilisatiecilinders.opvnr, tblopv.opvgew...