MySQL and MariaDB results on derived_table are not the same

CREATE DATABASE `derived_issue`;

CREATE TABLE `derived_issue`.`test` (

  `num` int(11) NOT NULL

);

INSERT INTO `derived_issue`.`test` (num)

VALUES (12345),(1),(1234),(12),(123),(123456);

SELECT * 

FROM (

	SELECT num 

	FROM `derived_issue`.`test`

	ORDER BY num DESC

) derived_table;

12345

1

1234

12

123

123456

123456

12345

1234

123

12

1