【单选题】假设每个售货员可以销售多种商品,则计算每个售货员销售总金额的SQL语句是( )。
A.
SELECT 售货员编号,商品编号,SUM(金额) FROM 产品ORDER BY金额
B.
SELECT 售货员编号,商品编号,SUM(金额) FROM 产品GROUP BY 金额
C.
SELECT 售货员编号,商品编号,SUM(金额) FROM 产品 ORDER BY售货员编号
D.
SELECT 售货员编号,商品编号,SUM(金额) FROM 产品 GROUP BY 售货员编号
【单选题】为加强党内监督,完善巡视制度,规范巡视工作,党中央根据(),制定了《中国巡视工作条例》。
【单选题】In the UK, what impressed me most was the Student Activity, _____ I got lots of information. [ ]
【单选题】When I reach the school grounds there are lots of 'good mornings' _____ me _____ the boys, many _____ whom have walked a long way, sometimes up _____ two hours, to get to the school. [ ]
【多选题】在未算出最后的出口报价之前,()是未知的。
【单选题】在下列烯烃中,用作水果催熟剂的物质是()。
【单选题】GQPS-987全面质量管理的工作程序被称之为“戴明”循环,其含义是( )。
【单选题】这家商场有48个售货员,女售货员有36个,男售货员有12个,男售货员占多少?