SELECT MONTH(Zbierane) AS Mesiac, Krdlo AS Krdlo, SUM(HrubaZnaska) AS HrubaZnaska, SUM(NestandardneNV) AS NestandardneNV, SUM(CistaZnaska) AS CistaZnaska, COUNT(*) AS PocetZberov, MIN(Zbierane) AS MesiacOD, MAX(Zbierane) AS MesiacDO FROM farmyProdukcia WHERE Farma= '' AND Krdlo = '' AND Hala != '999' GROUP BY MONTH(Zbierane), Krdlo ORDER BY krdlo, Mesiac;