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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_name
   from employees
   3、查看雇员编号、名字和工种。
   select last_name,job_id,employee_id
   from 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_Id
   from employees
  
   5、查找在60号部门工作的雇员。
   select last_name+first_name name,department_id
   from employees
   where 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_id
   from employees
   where 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_id
   from employees
   where 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 employees
   where salary between 2000 and 3000
  
   9、查找哪些雇员的工资不在3000到5000之间
   select *
   from employees
   where 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 employees
   where 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_id
   from employees
   where 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_id
   from employees
   where first_name like ‘m_c%l’
  
   13、查找哪些雇员的工种名不以SA开头。
   select job_id
   from employees
   where job_id not like ‘sa%’
  
   14、查找没有奖金的雇员信息。
   select *
   from employees
   where commission_pct is null
  
   15、查找有奖金的雇员信息。
   select *
   from employees
   where commission_pct is not null
  
   16、查找30号部门里不是CLERK的雇员信息。
  
   select *
   from employees
   where 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 employees
   where department_id=30
   or 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 employees
   where department_id=60
   and salary>5000
  
   18、按字母顺序显示雇员的名字(last_name)。
  
   select last_name
   from employees
   order 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_PCT
   FROM dbo.EMPLOYEES
   WHERE (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_id
   from locations,employees,department
   where locations.location_id=department.location_id
   and 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,city
   from locations,employees,departments
   where departments.location_id=locations.location_id
   and departments.department_id = employees.department_id
   and 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,gra
   from departments d,employees e,job_grades j
   where e.salary between j.lowest and j.highest
   and 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_name
   from employees a,employees b
   where a.department_id=b.department_id
   and 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_id
   from departments d
   left outer join employees e
   on (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_id
   from departments d
   left outer join employees e
   on (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) avg
   from employees
   group 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_id
   from employees
   group 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_id
   from employee
   group 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 d
   where e.department_id=d.department_id
   group by department_name
   having sum(salary)>4200
   test001
  
   1.请查询出employee表中最低工资的雇员
  
   select last_name
   from employee
   where salary=(select min(salary) from employee)
  
   2.请查询出employee表中最高工资的雇员
  
   select last_name
   from employee
   where 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,salary
   from employees
   where 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,salary
   from employees
   where 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 employees
   where 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,salary
   from employees
   where salary>
   (select max(salary) from employees where department_id=60)
  
   7 将114号雇员的工种和部门号改为102号雇员的工种和部门号。
  
   8、将所有与106号雇员相同工种的职工的部门号改成106号雇员所在的部门。
  
   9、查询工种不为SH_CLERK,并且工资小于其中任何一个SH_CLERK的雇员信息。

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