问Server version: 5.5.60-MariaDB autocommit 参数修改不成功？

Server version: 5.5.60-MariaDB MariaDB Server

MariaDB [(none)]> SET autocommit OFF;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'OFF' at line 1

MariaDB [(none)]> set autocommit OFF;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'OFF' at line 1

MariaDB [(none)]> set global autocommit OFF;

ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'OFF' at line 1

MariaDB [(none)]> set global autocommit OFF;

MariaDB [(none)]> SHOW VARIABLES LIKE "%AUTO%";

+-----------------------------+-------+

| Variable_name | Value |

+-----------------------------+-------+

| auto_increment_increment | 1 |

| auto_increment_offset | 1 |

| autocommit | ON |

| automatic_sp_privileges | ON |

| innodb_autoextend_increment | 8 |

| innodb_autoinc_lock_mode | 1 |

| innodb_stats_auto_update | 1 |

| sql_auto_is_null | OFF |

+-----------------------------+-------+

8 rows in set (0.00 sec)

MariaDB [(none)]>