1、查找員工的編號、姓名、部門和出生日期,如果出生日期爲空值,顯示日期不詳,並按部門排序輸出,日期格式爲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、按部門進行彙總,統計每個部門的總工資
select dept,sum(salary) from employee group by dept |
4、查找商品名稱爲14寸顯示器商品的銷售情況,顯示該商品的編號、銷售數量、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品編號進行彙總,統計每種產品的銷售數量和金額
select prod_id,sum(qty) totqty,sum(qty*unit_price) totprice from sale_item group by prod_id |
6、使用convert函數按客戶編號統計每個客戶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,日期格式爲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、產品名稱、數量、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 產品名稱,銷售日期= isnull(convert(char(10),c.order_date,120),'日期不詳'), qty 數量, 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 |
26、選取編號界於'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品。
select count(distinct prod_id) as '共銷售產品數' from sale_item |
28、將業務部員工的薪水上調3%。
update employee set salary=salary*1.03 where dept='業務' |
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查詢客戶姓名爲"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於"E0013業務員在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) |
16、查找銷售總額少於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公司銷售相同的客戶編號、名稱和商品編號、商品名稱、數量和金額
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於2000的所有客戶編號
select cust_id from sales where tot_amt>2000 |
21、統計表中員工的薪水在4000-6000之間的人數
select count(*)as 人數 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、將表中住址爲"上海市"的員工住址改爲"北京市"
update employee set addr like '北京市' where addr like '上海市' |
24、查找業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 ('業務','會計') |
25、顯示每種產品的銷售金額總和,並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 |