Nimm doch mal einen Integer
Delphi-Quellcode:
with DataModule_DB.ZQuery
do
begin
SQL.Clear;
SQL.Add('
WITH ROH AS(');
SQL.Add('
SELECT FIRST :Anzahl * FROM Wetterdaten ORDER BY ID DESC');
SQL.Add('
) SELECT * FROM ROH ORDER BY ID');
ParamByName('
Anzahl').AsInteger := EinInteger;
Open;
end;