Oracle触发器报Warning: compiled but with compilation errors

CREATE OR REPLACE TRIGGER HLDB.TRI_TEST_USER_AFR
AFTER DELETE OR INSERT OR UPDATE
ON HLDB.BJ_TEST
REFERENCING NEW AS NEW OLD AS OLD
FOR EACH ROW
BEGIN
if inserting then
insert into bj_test(STU_ID,STU_NAME)values(:new.STU_ID,:new.STU_NAME);
end if;
if updating then
update bj_test set STU_NAME=:new:STU_NAME where STU_ID=:old.STU_ID;
end if;
END TRI_test_user_AFR;

提了一手好问题，，，

任务占坑