oracle ddl tigger



CREATE TABLE event_ddl(
event VARCHAR2(40),
username VARCHAR2(40),
owner VARCHAR2(30),
obbjname VARCHAR2(40),
objtype VARCHAR2(100),
time DATE
);

CREATE OR REPLACE TRIGGER tr_ddl
AFTER DDL ON database
BEGIN
Declare
    Cursor C1 is
  select
               ora_sysevent,
               ora_login_user,
               ora_dict_obj_owner,
               ora_dict_obj_name,
               ora_dict_obj_type,
               SYSDATE
               from dual;
 BEGIN
              FOR C2 IN C1 LOOP
              null;
INSERT INTO event_ddl VALUES(
C2.ora_sysevent,
C2.ora_login_user,
C2.ora_dict_obj_owner,
C2.ora_dict_obj_name,
C2.ora_obj_type,
C2.SYSDATE
);
END LOOP;
END;
END;
/