ユーザーはどのようにして現在の MySQL トランザクションを暗黙的に終了できますか?

mysql> START TRANSACTION;
Query OK, 0 rows affected (0.00 sec)

mysql> INSERT INTO MARKS Values(3,'gaurav','Comp',69);
Query OK, 1 row affected (0.26 sec)

mysql> Create table student(id int, Name Varchar(10),);
Query OK, 0 rows affected (0.84 sec)

mysql> Rollback;
Query OK, 0 rows affected (0.00 sec)

mysql> select * from marks;
+------+---------+-----------+-------+
| Id | Name | Subject | Marks |
+------+---------+-----------+-------+
| 1 | Aarav | Maths | 50 |
| 1 | Harshit | Maths | 55 |
| 3 | Gaurav | Comp | 69 |
+------+---------+-----------+-------+
3 rows in set (0.00 sec)

mysql> START TRANSACTION;
Query OK, 0 rows affected (0.00 sec)

mysql> INSERT INTO Marks Values(4, 'Rahul','History',40);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO Marks Values(5, 'Yashraj','English',48);
Query OK, 1 row affected (0.00 sec)

mysql> START TRANSACTION;
Query OK, 0 rows affected (0.00 sec)