error in your SQL syntax creating MySQL trigger

Question

I try create trigger

CREATE TRIGGER `aster_users2` after
update ON `aster_users` FOR EACH ROW
BEGIN  update event set flag=1 where
id=1; END;

Answer 1

Delimiters should be used.

DELIMITER $$

CREATE TRIGGER `aster_users2` AFTER
UPDATE ON `aster_users` FOR EACH ROW
BEGIN
  UPDATE event
  SET
    flag = 1
  WHERE
    id = 1;
END$$

DELIMITER ;