一套SQL筆試題

1、查找整個職員表的所有內容。

select *

from employees

2、查看雇員名字(last_name)。

select last_name

from employees

3、查看雇員編號、名字和工種。

select last_name，job_id，employee_id

from employees

4、顯示所有雇員的姓名、工資并將DEPARTMENT_ID顯示為(Department_Id)。

select last_name,salary,DEPARTMENT_ID as Department_Id

from employees

5、查找在60號部門工作的雇員。

select last_name+first_name name,department_id

from employees

where departmet_id=60

6、要求查找職位為SH_CLERK和SA_MAN的雇員姓名(last_name)。

select last_name job_id

from employees

where job_id in ('sh_clerk','sa_man')

7、查找職位不是SH_CLERK和SA_MAN的雇員工種及姓名。將姓名顯示為(first_name+last_name命名為”Name”)。

select first_name+last_name Name, job_id

from employees

where job_id not in ('sh_clerk','sa_man')

8、查找哪些雇員的工資在2000到3000之間

select *

from employees

where salary between 2000 and 3000

9、查找哪些雇員的工資不在3000到5000之間

select *

from employees

where salary not between 3000 and 5000

10、查找first_name以D開頭，后面僅有三個字母的雇員信息。

select *

from employees

where first_name like ‘D___' and first_name not like ‘d__ ‘

11、查找last_name以K開頭的雇員信息。

select last_name,first_name,department_id

from employees

where last_name like ‘k%'

12、查找名字以字母M開頭，以l結尾，并且第三個字母為c的雇員名字(First_name)、工種和所在部門號

select first_name,job_id,department_id

from employees

where first_name like ‘m_c%l'

13、查找哪些雇員的工種名不以SA開頭。

select job_id

from employees

where job_id not like 'sa%'

14、查找沒有獎金的雇員信息。

select *

from employees

where commission_pct is null

15、查找有獎金的雇員信息。

select *

from employees

where commission_pct is not null

16、查找30號部門里不是CLERK的雇員信息。

select *

from employees

where department_id=30 and job_id not like ‘%clerk%'

17、查找在30號部門工作或不是CLERK的雇員信息。

select *

from employees

where department_id=30

or job_id not like ‘%clerk%'

查找60號部門且工資大于5000的員工的信息

select *

from employees

where department_id=60

and salary>5000

18、按字母順序顯示雇員的名字(last_name)。

select last_name

from employees

order by last_name

19、按部門號降序顯示。

select * from employees order by department_id desc

20、查找工資高于$2000的雇員信息，按部門號和雇員名字排序。

select * from employees where salary>2000 order by department_id,employee_id

21、選擇獎金高于5%的雇員信息

SELECT FIRST_NAME, LAST_NAME, COMMISSION_PCT

FROM dbo.EMPLOYEES

WHERE (COMMISSION_PCT > .05)

22 查詢年工資高于50000的員工信息

select * from employees where 12*salary>50000

23 查詢獎金高于5000的員工姓名

day

1、查出部門地區編號為1700的員工姓名

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、查詢工作地區為北京的員工名及工資信息

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、查詢薪水標準為B類的員工名稱和員工薪水以及工資類別名稱

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、查詢出主管Raphaely管理的員工和薪水信息

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、查出雇員所在的部門，并將沒有雇員的部門的記錄也顯示出來。

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、查詢出沒有分配部門的員工信息

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、計算每個部門的平均工資和工資總和

select department_id,sum (salary) sum,avg (salary) avg

from employees

group by department_id

8、查詢每個部門的每個工種的雇員數

select count(*)num,department_id,job_id

from employees

group by department_id,job_id

9、請算出employee表中總雇員數量

select count(*)

from employee

10.請算出employee表中所有雇員的平均工資

select avg(salary)

from employee

11.請查詢出employee表中的最低工資

select min(salary)

from employee

12.請查詢出employee表中最高工資

select max(salary)

from employee

13、請計算出每個部門的平均工資、最高工資和最低工資

select max(salary) max,min(salary) min,avg(salary) avg,department_id

from employee

group by department_id

14、查詢按部門名稱分組工資總和大于4200的部門名稱、工資和

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.請查詢出employee表中最低工資的雇員

select last_name

from employee

where salary=(select min(salary) from employee)

2.請查詢出employee表中最高工資的雇員

select last_name

from employee

where salary=(select max(salary) from employee)

3、查詢工資高于105號雇員的last_name，并且工種與他相同的雇員情況。

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、查詢工資高于或等于30號部門工資最高額的雇員。

select last_name,salary

from employees

where salary>=(select max(salary) from employees where department_id=30)

5 查詢工資在1000到5000之間的雇員所在部門的所有人員的信息。

select *

from employees

where department_id in

(select department_id from employees where salary between 1000 and 5000)

6 查找工資高于60號部門所有員工的人員信息。顯示其員工編號，last_name和工資。

select last_name,employee_id,salary

from employees

where salary>

(select max(salary) from employees where department_id=60)

7 將114號雇員的工種和部門號改為102號雇員的工種和部門號。

8、將所有與106號雇員相同工種的職工的部門號改成106號雇員所在的部門。

9、查詢工種不為SH_CLERK，并且工資小于其中任何一個SH_CLERK的雇員信息。

總結

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