j'essaye de créer un trigger et voici le message d'erreur

#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DELIMITER //
CREATE TRIGGER tgr_ins_desc_inter
AFTER INSERT ON t_desc_inter
F' at line 1


Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
DELIMITER //
CREATE TRIGGER tgr_ins_desc_inter
AFTER INSERT ON t_desc_inter
FOR EACH ROW
BEGIN
SET @tps_total = 0;
SET @result=SELECT tps_desc_inter as tps FROM t_desc_inter WHERE id_desc_inter=NEW.id_intervention;
	WHILE (@row=mysql_fetch_row(@result))
	{
	@tps_total=@tps_total+@row[0];
	}
UPDATE t_intervention SET tps_inter=@tps_total WHERE id_intervention=NEW.id_intervention;
END//
DELIMITER ;
Merci de votre aide