Пример синтаксиса CTE
With EmployeeChart(EmployeeID, ManagerID, Title) AS (Select EmployeeID, ManagerID, Title FROM HumanResources.Employee WHERE EmployeeID = 3 UNION ALL SELECT L2.EmployeeID, L2. ManagerID, L2.Title FROM HumanResources.Employee AS L2 JOIN EmployeeChart ON L2.ManagerID = EmployeeChart.EmployeeID) Select * from EmployeeChart