SELECT *, ; SUM(IIF( ficmvmp.movimento <= 49, Quantidade, 0)) AS Qin, ; SUM(IIF( ficmvmp.movimento > 51, Quantidade, 0)) AS Qout ; FROM ficmvmp ; left outer join ficmater ; on material = artigo ; left outer join ficmolde ; on terceiro = val(ficmolde.molde) ; group by 1,2,material; INTO CURSOR STK_TMPWhat i don't understand is group by 1,2 ????.