insert into emp values (101,'a')
insert into emp values (102,'b')
insert into emp values (103,'a')
insert into emp values (104,'c')
insert into emp values (105,'a')
select * from emp
SELECT EmpName,Count(EmpID)Cnt From Emp Group By EmpName
Having Count(EmpName) > 1
unified programming model for building service-oriented
applications. It enables developers to build secure,
reliable, transacted solutions that integrate across
platforms and interoperate with existing investments