SQL笔试题

一套SQL笔试题   1、查找整个职员表的所有内容。select * from  employees

2、查看雇员名字(last_name)。select last_namefrom  employees

3、查看雇员编号、名字和工种。select last_name，job_id，employee_idfrom  employees

4、显示所有雇员的姓名、工资并将DEPARTMENT_ID显示为（Department_Id）。

select last_name,salary,DEPARTMENT_ID as Department_Idfrom employees

5、查找在60号部门工作的雇员。select last_name+first_name name,department_idfrom  employeeswhere departmet_id=60

6、要求查找职位为SH_CLERK和SA_MAN的雇员姓名(last_name)。select last_name job_idfrom employeeswhere job_id in ('sh_clerk','sa_man')

7、查找职位不是SH_CLERK和SA_MAN的雇员工种及姓名。将姓名显示为(first_name+last_name命名为”Name”)。select first_name+last_name Name, job_idfrom employeeswhere job_id not in ('sh_clerk','sa_man')

8、查找哪些雇员的工资在2000到3000之间select *from employeeswhere salary between 2000 and 3000

9、查找哪些雇员的工资不在3000到5000之间select * from employeeswhere salary not between 3000 and 5000

10、查找first_name以D开头，后面仅有三个字母的雇员信息。select *from employeeswhere first_name like ‘D___' and first_name not like ‘d__ ‘

11、查找last_name以K开头的雇员信息。select last_name,first_name,department_idfrom employeeswhere last_name like ‘k%'

12、查找名字以字母M开头，以l结尾，并且第三个字母为c的雇员名字(First_name)、工种和所在部门号select first_name,job_id,department_idfrom employeeswhere first_name like ‘m_c%l'

13、查找哪些雇员的工种名不以SA开头。select job_idfrom employeeswhere job_id not like 'sa%'

14、查找没有奖金的雇员信息。select *from employeeswhere commission_pct is null

15、查找有奖金的雇员信息。select *from employeeswhere commission_pct is not null

16、查找30号部门里不是CLERK的雇员信息。select *from employeeswhere department_id=30 and job_id not like ‘%clerk%'

17、查找在30号部门工作或不是CLERK的雇员信息。select *from employeeswhere department_id=30or job_id not like ‘%clerk%'

查找60号部门且工资大于5000的员工的信息select *from employeeswhere department_id=60and salary>5000

18、按字母顺序显示雇员的名字(last_name)。select last_namefrom employeesorder by last_name

19、按部门号降序显示。select * from employees  order by department_id desc

20、查找工资高于$2000的雇员信息，按部门号和雇员名字排序。select * from employees where salary>2000 order by department_id,employee_id

21、选择奖金高于5%的雇员信息SELECT FIRST_NAME, LAST_NAME, COMMISSION_PCTFROM dbo.EMPLOYEESWHERE (COMMISSION_PCT > .05)

22 查询年工资高于50000的员工信息select * from employees where 12*salary>50000

23 查询奖金高于5000的员工姓名day

1、查出部门地区编号为1700的员工姓名select first_name,last_name,city,department.location_idfrom locations,employees,departmentwhere locations.location_id=department.location_idand locations.location_id=1700

2、查询工作地区为北京的员工名及工资信息select first_name,last_name,salary,commission_pct,cityfrom locations,employees,departmentswhere departments.location_id=locations.location_idand  departments.department_id = employees.department_idand departments.location_id=1700

3、查询薪水标准为B类的员工名称和员工薪水以及工资类别名称select last_name,first_name,salary,commission_pct,grafrom departments d,employees e,job_grades jwhere e.salary between j.lowest and j.highestand j.gra='b'and d.department_id=e.department_id

4、查询出主管Raphaely管理的员工和薪水信息select a.last_name+a.first_name as name, a.salary,a.commission_pct,b.last_namefrom employees a,employees bwhere a.department_id=b.department_idand a.last_name like ‘%raphaely%'

5、查出雇员所在的部门，并将没有雇员的部门的记录也显示出来。select e.last_name+e.first_name as name,d.department_idfrom departments dleft outer join  employees eon (e.department_id=d.department_id)

6、查询出没有分配部门的员工信息select e.last_name+e.first_name as name,e.department_idfrom departments dleft outer join  employees eon (e.department_id=d.department_id)where d.department_id is null

7、计算每个部门的平均工资和工资总和select department_id,sum (salary) sum,avg (salary) avgfrom employeesgroup by department_id

8、查询每个部门的每个工种的雇员数select  count(*)num,department_id,job_idfrom employeesgroup by department_id,job_id

9、请算出employee表中总雇员数量select count(*)from employee

10.请算出employee表中所有雇员的平均工资select avg(salary)from employee

11.请查询出employee表中的最低工资select min(salary)from employee

12.请查询出employee表中最高工资select max(salary)from employee

13、请计算出每个部门的平均工资、最高工资和最低工资select max(salary) max,min(salary) min,avg(salary) avg,department_idfrom employeegroup by department_id

14、查询按部门名称分组工资总和大于4200的部门名称、工资和select department_name,sum(salary)from employees e,departments dwhere e.department_id=d.department_idgroup by department_namehaving sum(salary)>4200test001

1.请查询出employee表中最低工资的雇员select last_namefrom employeewhere salary=(select min(salary) from employee)

2.请查询出employee表中最高工资的雇员select last_namefrom employeewhere salary=(select max(salary) from employee)

3、查询工资高于105号雇员的last_name，并且工种与他相同的雇员情况。select last_name,job_id,salaryfrom employeeswhere salary>(select salary from employees where employee_id='105′)and job_id=(select job_id from employees where employee_id='105′)

4、查询工资高于或等于30号部门工资最高额的雇员。select last_name,salaryfrom employeeswhere salary>=(select max(salary) from employees where department_id=30)

5  查询工资在1000到5000之间的雇员所在部门的所有人员的信息。select *from employeeswhere department_id in(select department_id from employees where salary between 1000 and 5000)

6 查找工资高于60号部门所有员工的人员信息。显示其员工编号，last_name和工资。select last_name,employee_id,salaryfrom employeeswhere salary >(select max(salary) from employees where department_id=60)