SQL query to display

murali_andaluri · New User Joined: 07 May 2005 Posts: 22

Hi Friends,

i need SQL query for below reqirement

EMPLOYEE table, with columns EMPID, DEPTID, SALARY.

Write SQL Query to display

a. DEPTID & Number of employees (showing all departments)
b. DEPTID & Number of employees (showing only departments that have > 10 employees)
c. Count of departments that have > 10 employees

raviprasath_kp · New User Joined: 20 Feb 2005 Posts: 65 Location: chennai

a. DEPTID & Number of employees (showing all departments)
select depid, count(empid) from employeetable;

b. DEPTID & Number of employees (showing only departments that have > 10 employees)

select depid,count(empid) employeetable
where count(empid) < 10
c. Count of departments that have > 10 employees
same vice versa

please correct me if i am wrong

mahi · New User Joined: 04 Apr 2006 Posts: 86 Location: Hyderabad

You have to use the group by function to get the number of employyees din a dept...

mahi · New User Joined: 04 Apr 2006 Posts: 86 Location: Hyderabad

Please go through this link.
www.ibmmainframes.com/viewtopic.php?t=14746&highlight=

nuthan · Posted: Thu Oct 04, 2007 5:32 pm

HI,

TRY THIS

SELECT DEPTID, COUNT(EMPID) FROM EMPLOYEE GROUP BY DEPTID;

SELECT DEPTID, COUNT(EMPID) FROM EMPLOYEE GROUP BY DEPTID HAVING COUNT(EMPID) > 10;

SELECT COUNT(*) FROM EMPLOYEE GROUP BY
DEPTID HAVING COUNT(EMPID) > 10;

murali_andaluri · New User Joined: 07 May 2005 Posts: 22

Hi Nutan,

thank you very much for your quick response.