CREATE TABLE #Employees

(

  EmployeeID int NOT NULL PRIMARY KEY,

  FirstName varchar(50) NOT NULL,

  LastName varchar(50) NOT NULL,

  ManagerID int NULL

)

​

INSERT INTO #Employees VALUES (1, 'Ken', 'Thompson', NULL)

INSERT INTO #Employees VALUES (2, 'Terri', 'Ryan', 1)

INSERT INTO #Employees VALUES (3, 'Robert', 'Durello', 1)

INSERT INTO #Employees VALUES (4, 'Rob', 'Bailey', 2)

INSERT INTO #Employees VALUES (5, 'Kent', 'Erickson', 2)

INSERT INTO #Employees VALUES (6, 'Bill', 'Goldberg', 3)

INSERT INTO #Employees VALUES (7, 'Ryan', 'Miller', 3)

INSERT INTO #Employees VALUES (8, 'Dane', 'Mark', 5)

INSERT INTO #Employees VALUES (9, 'Charles', 'Matthew', 6)

INSERT INTO #Employees VALUES (10, 'Michael', 'Jhonson', 6) 

​

select * from #Employees

​

WITH

  cteReports (EmpID, FirstName, LastName, MgrID, EmpLevel)

  AS

  (

    SELECT EmployeeID, FirstName, LastName, ManagerID, 1

    FROM #Employees

    WHERE ManagerID IS NULL

    UNION ALL

    SELECT e.EmployeeID, e.FirstName, e.LastName, e.ManagerID, 

      r.EmpLevel + 1

    FROM #Employees e

      INNER JOIN cteReports r

        ON e.ManagerID = r.EmpID

  )

SELECT

  FirstName + ' ' + LastName AS FullName, 

  EmpLevel,

  (SELECT FirstName + ' ' + LastName FROM #Employees 

    WHERE EmployeeID = cteReports.MgrID) AS Manager

FROM cteReports 

ORDER BY EmpLevel, MgrID