外在左外连接 MySQL

Question

In MS SQL-SERVER OUTER does not pay any role . Do it plays any role in MySQL?

Do these two request identical?:

SELECT Name as Customers
FROM Customers
LEFT OUTER JOIN Orders
ON Customers.Id = Orders.CustomerId
WHERE Orders.Id IS NULL

and

SELECT Name as Customers
FROM Customers
LEFT JOIN Orders
ON Customers.Id = Orders.CustomerId
WHERE Orders.Id IS NULL

I did not find information in official documentation yet .

Answer 1

They are identical in MySQL as well.