“Aplicar unión externa de unión izquierda” Código de respuesta

Aplicar unión externa de unión izquierda

--Script #3 - OUTER APPLY and LEFT OUTER JOIN

SELECT * FROM Department D 
OUTER APPLY 
   ( 
   SELECT * FROM Employee E 
   WHERE E.DepartmentID = D.DepartmentID 
   ) A 
GO
 
SELECT * FROM Department D 
LEFT OUTER JOIN Employee E ON D.DepartmentID = E.DepartmentID 
GO