Question

Respected Users,

I one table called Employee as follows

EmpId | EmpName | ManagerId
 1        Smith    10
 2        John     11
 10       Ted       2
 11       Lowson    1  

Every employee has a manager. each manager is Employee.

Now, I want to write a query such that All the employee names with their manager names.

I tried something like this>>>

select a.EmpName,b.EmpName from Employee a,b where b.ManagerId=a.EmpId

but failed.

Kindly guid me.

Answer 1

Try this,,

select 
t1.EmpName as EmoName, t2.EmpName as ManagerName
from   Employee t1 
LEFT join Employee t2 on t1.ManagerId = t2.EmpId