Question

I have table which have id name and manager id

id  name  manager_id
1  myName  4
2  alex    3
3  brain   2
4  someone 1

Now i have to write the query which display the result like that

myname someone
alex brain
brain alex
someone myname

Means we have to display name and mnager Name according to the Id

Answer 1

join the table with itself:

SELECT t1.name, t2.name FROM my_table AS t1 
    LEFT JOIN my_table AS t2 ON( t1.manager_id = t2.id )