SQL Interview Questions | Find the manager name
Question
Refer to the following table and answer the questions related to it.
empid | empname | managerid | deptid | Salary |
1 | Emp1 | 0 | 1 | 6000 |
2 | Emp2 | 0 | 5 | 6000 |
3 | Emp3 | 1 | 1 | 2000 |
13 | Emp13 | 2 | 5 | 2000 |
11 | Emp11 | 2 | 1 | 2000 |
9 | Emp9 | 1 | 5 | 3000 |
8 | Emp8 | 3 | 1 | 3500 |
7 | Emp7 | 2 | 5 | NULL |
3 | Emp3 | 1 | 1 | 2000 |
The Employee and manager id are in the same table. Is it possible to get the manager names for the corresponding employee? How will you proceed for the same?
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SQL
55 years
3 Answers
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Great Grand Master 1
Answers ( 3 )
select e.empname, e.empid, m.empname as manager, e.managerid
from emp e, emp m
where e.managerid = m.empid
select e1.empname, e1.empid, e2.empname as manager, from emp e1, emp e2 where e1.managerid = e2.empid
Select e1.empname as Employee ,e2. empname as Manager from employees e1
JOIN employees e2 ON
e1.managerId=e2.empid;
SELECT e.empname, m.empname AS manager_name
FROM employees e
JOIN employees m on e.managerid = m.employeeid;