26、選取編號(hào)界于'C0001'和'C0004'的客戶編號(hào)、客戶名稱、客戶地址
select CUST_ID,cust_name,addr
from customer
where cust_id between 'C0001' AND 'C0004'
27、計(jì)算出一共銷售了幾種產(chǎn)品
select count(distinct prod_id) as '共銷售產(chǎn)品數(shù)'
from sale_item
28、將業(yè)務(wù)部員工的薪水上調(diào)3%
update employee
set salary=salary*1.03
where dept='業(yè)務(wù)'
29、由employee表中查找出薪水最低的員工信息
select *
from employee
where salary=
(select min(salary )
from employee )
30、使用join查詢客戶姓名為"客戶丙"所購(gòu)貨物的"客戶名稱","定單金額","定貨日期","電話號(hào)碼"
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 '客戶丙'
31、由sales表中查找出訂單金額大于"E0013業(yè)務(wù)員在1996/10/15這天所接每一張訂單的金額"的所有訂單
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、計(jì)算'P0001'產(chǎn)品的平均銷售單價(jià)
select avg(unit_price)
from sale_item
where prod_id='P0001'
33、找出公司女員工所接的定單
select sale_id,tot_amt
from sales
where sale_id in
(select sale_id from employee
where sex='F')
34、找出同一天進(jìn)入公司服務(wù)的員工
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、找出目前業(yè)績(jī)超過(guò)232000元的員工編號(hào)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、查詢出employee表中所有女職工的平均工資和住址在"上海市"的所有女職工的平均工資
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表中查詢薪水超過(guò)員工平均薪水的員工信息
Select *
from employee
where salary>( select avg(salary)
from employee)
38、 找出目前銷售業(yè)績(jī)超過(guò)10000元的業(yè)務(wù)員編號(hào)及銷售業(yè)績(jī)，并按銷售業(yè)績(jī)從大到小排序
Select sale_id ,sum(tot_amt)
from sales
group by sale_id
having sum(tot_amt)>10000
order by sum(tot_amt) desc
39、 找出公司男業(yè)務(wù)員所接且訂單金額超過(guò)2000元的訂單號(hào)及訂單金額
Select order_no,tot_amt
From sales ,employee
Where sale_id=emp_no and sex='M' and tot_amt>2000
40、 查詢sales表中訂單金額最高的訂單號(hào)及訂單金額
Select order_no,tot_amt from sales
where tot_amt=(select max(tot_amt) from sales)
41、 查詢?cè)诿繌堄唵沃杏嗁?gòu)金額超過(guò)4000元的客戶名及其地址
Select cust_name,addr from customer a,sales b
where a.cust_id=b.cust_id and tot_amt>4000
42、 求出每位客戶的總訂購(gòu)金額，顯示出客戶號(hào)及總訂購(gòu)金額，并按總訂購(gòu)金額降序排列
Select cust_id,sum(tot_amt) from sales
Group by cust_id
Order by sum(tot_amt) desc
43、 求每位客戶訂購(gòu)的每種產(chǎn)品的總數(shù)量及平均單價(jià)，并按客戶號(hào)，產(chǎn)品號(hào)從小到大排列
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
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