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增大字体- ·上一篇网络学院：带你深入了解IBM DB2数据库的备份与恢复 （1）
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学习DB2数据库必须掌握的五十四条常用语句 （1）
订阅：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
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)
36、查询出employee表中所有女职工的平均工资和住址在"上海市"的所有女职工的平均工资
select avg(salary)
from employee
where sex like 'f'
union
select avg(salary)
from employee
where sex like 'f' and addr like '上海市%'
37、在employee表中查询薪水超过员工平均薪水的员工信息
Select *
from employee
where salary>( select avg(salary)
from employee)
38、 找出目前销售业绩超过10000元的业务员编号及销售业绩，并按销售业绩从大到小排序
Select sale_id ,sum(tot_amt)
from sales
group by sale_id
having sum(tot_amt)>10000
order by sum(tot_amt) desc
39、 找出公司男业务员所接且订单金额超过2000元的订单号及订单金额
Select order_no,tot_amt
From sales ,employee
Where sale_id=emp_no and sex='M' and tot_amt>2000
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
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