-1、查找員工的編號、姓名、部門和出生日期,如果出生日期為空值, --顯示日期不詳,并按部門排序輸出,日期格式為yyyy-mm-dd。 select emp_no ,emp_name ,dept , isnull(convert(char(10),birthday,120),'日期不詳') birthday from employee order by dept
--2、查找與喻自強在同一個單位的員工姓名、性別、部門和職稱 select emp_no,emp_name,dept,title from employee where emp_name>'喻自強' and dept in (select dept from employee where emp_name='喻自強')
--3、按部門進行匯總,統(tǒng)計每個部門的總工資 select dept,sum(salary) from employee group by dept
--4、查找商品名稱為14寸顯示器商品的銷售情況, --顯示該商品的編號、銷售數(shù)量、單價和金額 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寸顯示器'
--5、在銷售明細表中按產(chǎn)品編號進行匯總,統(tǒng)計每種產(chǎn)品的銷售數(shù)量和金額 select prod_id,sum(qty) totqty,sum(qty*unit_price) totprice from sale_item group by prod_id
--6、使用convert函數(shù)按客戶編號統(tǒng)計每個客戶1996年的訂單總金額 select cust_id,sum(tot_amt) totprice from sales where convert(char(4),order_date,120)='1996' group by cust_id
--7、查找有銷售記錄的客戶編號、名稱和訂單總額 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年中有銷售記錄的客戶編號、名稱和訂單總額 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、查找一次銷售最大的銷售記錄 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次銷售的業(yè)務員名單和銷售日期 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、用存在量詞查找沒有訂貨記錄的客戶名稱 select cust_name from customer a where not exists (select * from sales b where a.cust_id=b.cust_id)
--12、使用左外連接查找每個客戶的客戶編號、名稱、訂貨日期、訂單金額 --訂貨日期不要顯示時間,日期格式為yyyy-mm-dd --按客戶編號排序,同一客戶再按訂單降序排序輸出 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的銷售情況,要求顯示相應的銷售員的姓名、 --性別,銷售日期、銷售數(shù)量和金額,其中性別用男、女表示 select emp_name 姓名, 性別= case a.sex when 'm' then '男' when 'f' then '女' else '未' end, 銷售日期= isnull(convert(char(10),c.order_date,120),'日期不詳'), qty 數(shù)量, qty*unit_price as 金額 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、查找每個人的銷售記錄,要求顯示銷售員的編號、姓名、性別、 --產(chǎn)品名稱、數(shù)量、單價、金額和銷售日期 select emp_no 編號,emp_name 姓名, 性別= case a.sex when 'm' then '男' when 'f' then '女' else '未' end, prod_name 產(chǎn)品名稱,銷售日期= isnull(convert(char(10),c.order_date,120),'日期不詳'), qty 數(shù)量, qty*unit_price as 金額 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、查找銷售金額最大的客戶名稱和總貨款 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
--16、查找銷售總額少于1000元的銷售員編號、姓名和銷售額 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、查找至少銷售了3種商品的客戶編號、客戶名稱、商品編號、商品名稱、數(shù)量和金額 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、查找至少與世界技術開發(fā)公司銷售相同的客戶編號、名稱和商品編號、商品名稱、數(shù)量和金額 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='世界技術開發(fā)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、查找表中所有姓劉的職工的工號,部門,薪水 select emp_no,emp_name,dept,salary from employee where emp_name like '劉%'
20、查找所有定單金額高于2000的所有客戶編號 select cust_id from sales where tot_amt>2000
21、統(tǒng)計表中員工的薪水在4000-6000之間的人數(shù) select count(*)as 人數(shù) from employee where salary between 4000 and 6000
22、查詢表中的同一部門的職工的平均工資,但只查詢"住址"是"上海市"的員工 select avg(salary) avg_sal,dept from employee where addr like '上海市%' group by dept
23、將表中住址為"上海市"的員工住址改為"北京市" update employee set addr like '北京市' where addr like '上海市'
24、查找業(yè)務部或會計部的女員工的基本信息。 select emp_no,emp_name,dept from employee where sex='F'and dept in ('業(yè)務','會計')
25、顯示每種產(chǎn)品的銷售金額總和,并依銷售金額由大到小輸出。 select prod_id ,sum(qty*unit_price) from sale_item group by prod_id order by sum(qty*unit_price) desc
26、選取編號界于'C0001'和'C0004'的客戶編號、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)務部員工的薪水上調(diào)3%。 update employee set salary=salary*1.03 where dept='業(yè)務'
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"所購貨物的"客戶名稱","定單金額","定貨日期","電話號碼" 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、計算'P0001'產(chǎn)品的平均銷售單價 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、找出同一天進入公司服務的員工 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)績超過232000元的員工編號和姓名。 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)績超過10000元的業(yè)務員編號及銷售業(yè)績,并按銷售業(yè)績從大到小排序。 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)務員所接且訂單金額超過2000元的訂單號及訂單金額。 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及訂單金額。 Select order_no,tot_amt from sales where tot_amt=(select max(tot_amt) from sales)
41、 查詢在每張訂單中訂購金額超過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金額,顯示出客戶號及總訂購金額,并按總訂購金額降序排列。 Select cust_id,sum(tot_amt) from sales Group by cust_id order by sum(tot_amt) desc
43、 求每位客戶訂購的每種產(chǎn)品的總數(shù)量及平均單價,并按客戶號,產(chǎn)品號從小到大排列。 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 Group by cust_id,prod_id order by cust_id,prod_id
44、 查詢訂購了三種以上產(chǎn)品的訂單號。 Select order_no from sale_item Group by order_no Having count(*)>3
45、 查詢訂購的產(chǎn)品至少包含了訂單3號中所訂購產(chǎn)品的訂單。 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表中查找出訂單金額大于"E0013業(yè)務員在1996/11/10這天所接每一張訂單的金額"的所有訂單,并顯示承接這些訂單的業(yè)務員和該訂單的金額。 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、 查詢末承接業(yè)務的員工的信息。 Select * From employee a Where not exists (select * from sales b where a.emp_no=b.sale_id)
48、 查詢來自上海市的客戶的姓名,電話、訂單號及訂單金額。 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、 查詢每位業(yè)務員各個月的業(yè)績,并按業(yè)務員編號、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、 求每種產(chǎn)品的總銷售數(shù)量及總銷售金額,要求顯示出產(chǎn)品編號、產(chǎn)品名稱,總數(shù)量及總金額,并按產(chǎn)品號從小到大排列。 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、 查詢總訂購金額超過'C0002'客戶的總訂購金額的客戶號,客戶名及其住址。 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、 查詢業(yè)績最好的的業(yè)務員號、業(yè)務員名及其總銷售金額。 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、 查詢每位客戶所訂購的每種產(chǎn)品的詳細清單,要求顯示出客戶號,客戶名,產(chǎn)品號,產(chǎn)品名,數(shù)量及單價。 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、 求各部門的平均薪水,要求按平均薪水從小到大排序。 select dept,avg(salary) from employee group by dept order by avg(salary)