group byt1.OPR_INST_CDt1.ITEM_CDt2.ITEM_NAMEt2.SPECt1.WS_CDt1.OPR_INST_QTY 错了,字段间要加 , 号改成select t1.OPR_INST_CD,t1.ITEM_CD,t2.ITEM_NAME,t2.SPEC,t1.WS_CD,t1.OPR_INST_QTY,sum(t3.ACPT_QTY)from T_WORK_IN_PROC_BY_ITEM t1,M_ITEM t2,T_OPR_RSLT t3where t1.ITEM_CD = t2.ITEM_CDand t3.OPR_INST_CD=t1.OPR_INST_CD |