Delete Duplicate Record

Hi ,

How can i delete the duplicate record from a table

use Northwind
create table Emp (Ecode char(2), Ename char(10))
Insert into Emp(Ecode, Ename) values('A1','A')
Insert into Emp(Ecode, Ename) values('A1','A')
Insert into Emp(Ecode, Ename) values('A2','B')
Insert into Emp(Ecode, Ename) values('A2','B')
Insert into Emp(Ecode, Ename) values('A3','C')
Insert into Emp(Ecode, Ename) values('A3','C')
Insert into Emp(Ecode, Ename) values('A4','D')
Insert into Emp(Ecode, Ename) values('A4','D')

select * from emp order by Ecode


Thanks

ASM