Was ist ein Fehler in diesem Code create trigger

Question

CREATE TRIGGER barcode1 BEFORE INSERT ON employeepc 
FOR EACH ROW 
BEGIN 
    IF NEW.Barcode IS NULL THEN 
     SET NEW.REMAINING := NEW.employeeid;   
    END IF; 
END; 

Answer 1

DELIMITER $$ 

CREATE TRIGGER before_employee_update 
    BEFORE UPDATE ON employees 
    FOR EACH ROW 
BEGIN 
    INSERT INTO employees_audit 
    SET action = 'update', 
    employeeNumber = OLD.employeeNumber, 
     lastname = OLD.lastname, 
     changedat = NOW(); 
END$$ 

DELIMITER ;