SELF JOIN Example and scenario in SQL SERVER 2005

A self-join is a query in which a table is joined to itself.Self-joins are used to compare values in a column with other values in the same column in the same table.
    ex:
----------------------------------------------------
    empID    Name         ManagerID
----------------------------------------------------
       1           John         NULL       
       2           Steve          1       
       3           Billgates     1       
       4          Ozzy            2
       5          Homer         3
-----------------------------------------------------

       if we want to display all the employees with their Managers names.In this scenario we can use self-join