试题2（加强版）

1、创建表

create table dept (dept1 int ,dept_name varchar(11)) default charset=utf8
create table emp2 (sid int ,name varchar(11),age int,worktime_start date,incoming int,dept2 int) ;defaultcharset=utf8;

2、表中添加数据

 insert into dept values
(101,'财务'),
(102,'销售'),
(103,'IT技术'),
(104,'行政');

 insert into emp values
(1789,'张三',35,'1980/1/1',4000,101),
(1674,'李四',32,'1983/4/1',3500,101),
(1776,'王五',24,'1990/7/1',2000,101),
(1568,'赵六',57,'1970/10/11',7500,102),
(1564,'荣七',64,'1963/10/11',8500,102),
(1879,'牛八',55,'1971/10/20',7300,103);

3、找出销售部门中年纪最大的员工的姓名

提示：Mysql使用查出来后可使用limit

select name,age from dept d,emp2 e where d.dept1=e.dept2 and dept_name=‘销售’ and age=(select max(age) fromom emp2);

4、求财务部门最低工资的员工姓名

提示：Mysql使用查出来后可使用limit

select name,incoming from dept d,emp2 e where d.dept1=e.dept2 and d.dept_name=‘财务’ and incoming=(select min(incoming) from emp2);

5、列出每个部门收入总和高于9000的部门名称

select dept_name,sum(incoming) as total from dept d,emp2 e where d.dept1=e.dept2 group by d.dept_name having total>9000;

6、求工资在7500到8500元之间，年龄最大的人的姓名及部门

select name,worktime_start,incoming from dept d,emp2 e where d.dept1=e.dept2 and d.dept_name=‘销售’ and incoming=(select min(incoming) from dept,emp2 where dept.dept1=emp2.dept2 and dept.dept_name=‘销售’);

7、找出销售部门收入最低的员工入职时间

提示：Mysql使用查出来后可使用limit

select name,worktime_start,incoming from dept d,emp2 e where d.dept1=e.dept2 and d.dept_name=‘销售’ and incoming=(select min(incoming) from dept,emp2 where dept.dept1=emp2.dept2 and dept.dept_name=‘销售’);

8、财务部门收入超过2000元的员工姓名

select name,incoming,dept_name from dept d,emp2 e where d.dept1=e.dept2 and d.dept_name=‘财务’ and incoming>2000;

9、列出每个部门的平均收入及部门名称

select dept_name,avg(incoming) avgsai from dept d,emp2 e where d.dept1=e.dept2 group by dept_name;

10、IT技术部入职员工的员工号

select sid,name,dept_name from dept d,emp2 e where d.dept1=e.dept2 and d.dept_name=‘IT技术’;

11、财务部门的收入总和

select dept_name,sum(incoming) avgsai from dept d,emp2 e where d.dept1=e.dept2 and dept_name=‘财务’ group by dept_name；

12、先按部门号大小排序，再依据入职时间由早到晚排序员工信息表

select dept2,name,worktime_start from dept d,emp2 e where d.dept1=e.dept2 order by dept2 desc,worktime_start;

13、找出哪个部门还没有员工入职

select * from dept where dept1 not in (select dept2 from emp2);

14、列出部门员工收入大于7000的部门编号，部门名称

select name,dept_name,dept2 from dept d,emp2 e where d.dept1=e.dept2 and incoming>7000;

15、列出每一个部门的员工总收入及部门名称

select dept_name,sum(incoming) avgsai from dept d,emp2 e where d.dept1=e.dept2 group by dept_name；

16、列出每一个部门中年纪最大的员工姓名，部门名称

多个结果是，需要用in

select name,age M_age,dept_name from dept d,emp2 e where d.dept1=e.dept2 and age in (select max(age) from emp2,dept where dept.dept1=emp2.dept2 group by dept2);

17、求李四的收入及部门名称

select name,incoming,dept_name from dept d,emp2 e where d.dept1=e.dept2 and name like ‘李四’;

17、列出每个部门中收入最高的员工姓名，部门名称，收入，并按照收入降序

select name,incoming M_inc,dept_name from dept d,emp2 e where d.dept1=e.dept2 and incoming in (select max(incoming) from emp2,dept where dept.dept1=emp2.dept2 group by dept2) order by incoming desc;

18、列出部门员工数大于1个的部门名称

select dept_name from dept where dept1 in (select dept2 from emp2 group by dept2 having count(dept2)>1);

19、查找张三所在的部门名称

select dept_name from dept d,emp2 e where d.dept1=e.dept2 and name like “张三”;