Employee Manager Report - Sql Server

Question

I have the below table

empid   empname     managerID
1          A          NULL
2          B           1
3          C           1
4          D           2
         


        

Answer 1

I think, your solution is most appropriate, but we can rewrite it, e.g.:

select t1.empname [EmpName]
    , (select t2.empname from @t t2 where t2.empid = t1.managerID) [ManagerName]
from @t t1