CREATE TRIGGER tr AFTER DELETE ON t1 FOR EACH ROW SET @a = 1\;
ERROR 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 '\' at line 1
PREPARE stmt FROM 'CREATE TRIGGER tr AFTER DELETE ON t1 FOR EACH ROW SET @a = 1\\';
ERROR 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 '\' at line 1