1、查找员工的编号、姓名、部门和出生日期,如果出生日期为空值,显示日期不详,并按部门排序输出,日期格式为yyyy-mm-dd。 select emp_no,emp_name,dept,isnull(convert(char(10),birthday,120),‘日期不详‘) birthday from employee order by dept 2、查找与喻自强在同一个单位的员工姓名、性别、部门和职称 select emp_no,emp_name,dept,title from employee where emp_name<>‘喻自强‘ and dept in (select dept from employee where emp_name=‘喻自强‘) 3、按部门进行汇总,统计每个部门的总工资 select dept,sum(salary) from employee group by dept 4、查找商品名称为14寸显示器商品的销售情况,显示该商品的编号、销售数量、单价和金额 select a.prod_id,qty,unit_price,unit_price*qty totprice from sale_item a,product b where a.prod_id=b.prod_id and prod_name=‘14寸显示器‘ 5、在销售明细表中按产品编号进行汇总,统计每种产品的销售数量和金额 select prod_id,sum(qty) totqty,sum(qty*unit_price) totprice from sale_item group by prod_id 6、使用convert函数按客户编号统计每个客户1996年的订单总金额 select cust_id,sum(tot_amt) totprice from sales where convert(char(4),order_date,120)=‘1996‘ group by cust_id 7、查找有销售记录的客户编号、名称和订单总额 select a.cust_id,cust_name,sum(tot_amt) totprice from customer a,sales b where a.cust_id=b.cust_id group by a.cust_id,cust_name 8、查找在1997年中有销售记录的客户编号、名称和订单总额 select a.cust_id,cust_name,sum(tot_amt) totprice from customer a,sales b where a.cust_id=b.cust_id and convert(char(4),order_date,120)=‘1997‘ group by a.cust_id,cust_name 9、查找一次销售最大的销售记录 select order_no,cust_id,sale_id,tot_amt from sales where tot_amt= (select max(tot_amt) from sales) 10、查找至少有3次销售的业务员名单和销售日期 select emp_name,order_date from employee a,sales b where emp_no=sale_id and a.emp_no in (select sale_id from sales group by sale_id having count(*)>=3) order by emp_name 11、用存在量词查找没有订货记录的客户名称 select cust_name from customer a where not exists (select * from sales b where a.cust_id=b.cust_id) 12、使用左外连接查找每个客户的客户编号、名称、订货日期、订单金额订货日期不要显示时间,日期格式为yyyy-mm-dd按客户编号排序,同一客户再按订单降序排序输出 select a.cust_id,cust_name,convert(char(10),order_date,120),tot_amt from customer a left outer join sales b on a.cust_id=b.cust_id order by a.cust_id,tot_amt desc 13、查找16M DRAM的销售情况,要求显示相应的销售员的姓名、性别,销售日期、销售数量和金额,其中性别用男、女表示 select emp_name 姓名, 性别= case a.sex when ‘m‘ then ‘男‘ when ‘f‘ then ‘女‘ else ‘未‘ end, 销售日期= isnull(convert(char(10),c.order_date,120),‘日期不详‘), qty 数量, qty*unit_price as 金额 from employee a, sales b, sale_item c,product d where d.prod_name=‘16M DRAM‘ and d.prod_id=c.prod_id and a.emp_no=b.sale_id and b.order_no=c.order_no 14、查找每个人的销售记录,要求显示销售员的编号、姓名、性别、产品名称、数量、单价、金额和销售日期 select emp_no 编号,emp_name 姓名, 性别= case a.sex when ‘m‘ then ‘男‘ when ‘f‘ then ‘女‘ else ‘未‘ end, prod_name 产品名称,销售日期= isnull(convert(char(10),c.order_date,120),‘日期不详‘), qty 数量, qty*unit_price as 金额 from employee a left outer join sales b on a.emp_no=b.sale_id , sale_item c,product d where d.prod_id=c.prod_id and b.order_no=c.order_no 15、查找销售金额最大的客户名称和总货款 select cust_name,d.cust_sum from customer a, (select cust_id,cust_sum from (select cust_id, sum(tot_amt) as cust_sum from sales group by cust_id ) b where b.cust_sum = ( select max(cust_sum) from (select cust_id, sum(tot_amt) as cust_sum from sales group by cust_id ) c ) ) d where a.cust_id=d.cust_id 26、选取编号界于‘C0001‘和‘C0004‘的客户编号、客户名称、客户地址。 select CUST_ID,cust_name,addr from customer where cust_id between ‘C0001‘ AND ‘C0004‘ 27、计算出一共销售了几种产品。 select count(distinct prod_id) as ‘共销售产品数‘ from sale_item 28、将业务部员工的薪水上调3%。 update employee set salary=salary*1.03 where dept=‘业务‘ 29、由employee表中查找出薪水最低的员工信息。 select * from employee where salary= (select min(salary ) from employee ) 30、使用join查询客户姓名为"客户丙"所购货物的"客户名称","定单金额","定货日期","电话号码" select a.cust_id,b.tot_amt,b.order_date,a.tel_no from customer a join sales b on a.cust_id=b.cust_id and cust_name like ‘客户丙‘ 31、由sales表中查找出订单金额大于"E0013业务员在1996/10/15这天所接每一张订单的金额"的所有订单。 select * from sales where tot_amt>all (select tot_amt from sales where sale_id=‘E0013‘and order_date=‘1996/10/15‘) order by tot_amt 32、计算‘P0001‘产品的平均销售单价 select avg(unit_price) from sale_item where prod_id=‘P0001‘ 33、找出公司女员工所接的定单 select sale_id,tot_amt from sales where sale_id in (select sale_id from employee where sex=‘F‘) 34、找出同一天进入公司服务的员工 select a.emp_no,a.emp_name,a.date_hired from employee a join employee b on (a.emp_no!=b.emp_no and a.date_hired=b.date_hired) order by a.date_hired 35、找出目前业绩超过232000元的员工编号和姓名。 select emp_no,emp_name from employee where emp_no in (select sale_id from sales group by sale_id having sum(tot_amt)<232000) 16、查找销售总额少于1000元的销售员编号、姓名和销售额 select emp_no,emp_name,d.sale_sum from employee a, (select sale_id,sale_sum from (select sale_id, sum(tot_amt) as sale_sum from sales group by sale_id ) b where b.sale_sum <1000 ) d where a.emp_no=d.sale_id 17、查找至少销售了3种商品的客户编号、客户名称、商品编号、商品名称、数量和金额 select a.cust_id,cust_name,b.prod_id,prod_name,d.qty,d.qty*d.unit_price from customer a, product b, sales c, sale_item d where a.cust_id=c.cust_id and d.prod_id=b.prod_id and c.order_no=d.order_no and a.cust_id in ( select cust_id from (select cust_id,count(distinct prod_id) prodid from (select cust_id,prod_id from sales e,sale_item f where e.order_no=f.order_no) g group by cust_id having count(distinct prod_id)>=3) h ) 18、查找至少与世界技术开发公司销售相同的客户编号、名称和商品编号、商品名称、数量和金额 select a.cust_id,cust_name,d.prod_id,prod_name,qty,qty*unit_price from customer a, product b, sales c, sale_item d where a.cust_id=c.cust_id and d.prod_id=b.prod_id and c.order_no=d.order_no and not exists (select f.* from customer x ,sales e, sale_item f where cust_name=‘世界技术开发公司‘ and x.cust_id=e.cust_id and e.order_no=f.order_no and not exists ( select g.* from sale_item g, sales h where g.prod_id = f.prod_id and g.order_no=h.order_no and h.cust_id=a.cust_id) ) 19、查找表中所有姓刘的职工的工号,部门,薪水 select emp_no,emp_name,dept,salary from employee where emp_name like ‘刘%‘ 20、查找所有定单金额高于2000的所有客户编号 select cust_id from sales where tot_amt>2000 21、统计表中员工的薪水在4000-6000之间的人数 select count(*)as 人数 from employee where salary between 4000 and 6000 22、查询表中的同一部门的职工的平均工资,但只查询"住址"是"上海市"的员工 select avg(salary) avg_sal,dept from employee where addr like ‘上海市%‘ group by dept 23、将表中住址为"上海市"的员工住址改为"北京市" update employee set addr like ‘北京市‘ where addr like ‘上海市‘ 24、查找业务部或会计部的女员工的基本信息。 select emp_no,emp_name,dept from employee where sex=‘F‘and dept in (‘业务‘,‘会计‘) 25、显示每种产品的销售金额总和,并依销售金额由大到小输出。 select prod_id ,sum(qty*unit_price) from sale_item group by prod_id order by sum(qty*unit_price) desc