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学习DB2数据库必须掌握的五十四条常用语句 | |||
2008-5-9 16:04:12 文/Bert 出处:赛迪网 | |||
40、 查询sales表中订单金额最高的订单号及订单金额 Select order_no,tot_amt from sales where tot_amt=(select max(tot_amt) from sales)
41、 查询在每张订单中订购金额超过4000元的客户名及其地址 Select cust_name,addr from customer a,sales b where a.cust_id=b.cust_id and tot_amt>4000
42、 求出每位客户的总订购金额,显示出客户号及总订购金额,并按总订购金额降序排列 Select cust_id,sum(tot_amt) from sales Group by cust_id Order by sum(tot_amt) desc
43、 求每位客户订购的每种产品的总数量及平均单价,并按客户号,产品号从小到大排列 Select cust_id,prod_id,sum(qty),sum(qty*unit_price)/sum(qty) From sales a, sale_item b Where a.order_no=b.order_no Group by cust_id,prod_id Order by cust_id,prod_id
44、 查询订购了三种以上产品的订单号 Select order_no from sale_item Group by order_no Having count(*)>3
45、 查询订购的产品至少包含了订单3号中所订购产品的订单 Select distinct order_no From sale_item a Where order_no<>'3'and not exists ( Select * from sale_item b where order_no ='3' and not exists (select * from sale_item c where c.order_no=a.order_no and c.prod_id=b.prod_id))
46、 在sales表中查找出订单金额大于"E0013业务员在1996/11/10这天所接每一张订单的金额"的所有订单,并显示承接这些订单的业务员和该订单的金额 Select sale_id,tot_amt from sales where tot_amt>all(select tot_amt from sales where sale_id='E0013' and order_date='1996-11-10') 47、 查询末承接业务的员工的信息 Select * From employee a Where not exists (select * from sales b where a.emp_no=b.sale_id) 48、 查询来自上海市的客户的姓名,电话、订单号及订单金额 Select cust_name,tel_no,order_no,tot_amt From customer a ,sales b Where a.cust_id=b.cust_id and addr='上海市' 49、 查询每位业务员各个月的业绩,并按业务员编号、月份降序排序 Select sale_id,month(order_date), sum(tot_amt) from sales group by sale_id,month(order_date) order by sale_id,month(order_date) desc 50、 求每种产品的总销售数量及总销售金额,要求显示出产品编号、产品名称,总数量及总金额,并按产品号从小到大排列 Select a.prod_id,prod_name,sum(qty),sum(qty*unit_price) From sale_item a,product b Where a.prod_id=b.prod_id Group by a.prod_id,prod_name Order by a.prod_id 51、 查询总订购金额超过'C0002'客户的总订购金额的客户号,客户名及其住址 Select cust_id, cust_name,addr From customer Where cust_id in (select cust_id from sales Group by cust_id Having sum(tot_amt)> (Select sum(tot_amt) from sales where cust_id='C0002'))
52、 查询业绩最好的的业务员号、业务员名及其总销售金额 select emp_no,emp_name,sum(tot_amt) from employee a,sales b where a.emp_no=b.sale_id group by emp_no,emp_name having sum(tot_amt)= (select max(totamt) from (select sale_id,sum(tot_amt) totamt from sales group by sale_id) c) 53、 查询每位客户所订购的每种产品的详细清单,要求显示出客户号,客户名,产品号,产品名,数量及单价 select a.cust_id, cust_name,c.prod_id,prod_name,qty, unit_price from customer a,sales b, sale_item c ,product d where a.cust_id=b.cust_id and b.order_no=c.order_no and c.prod_id=d.prod_id 54、 求各部门的平均薪水,要求按平均薪水从小到大排序 select dept,avg(salary) from employee group by dept order by avg(salary) |
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