创建DDL触发器

-- Create table

--建立一个监控表

create table DDL_LOG

(

USER_NAME VARCHAR2(30),

DDL_DATE DATE,

DDL_TYPE VARCHAR2(30),

OBJECT_TYPE VARCHAR2(18),

OWNER VARCHAR2(30),

OBJECT_NAME VARCHAR2(128),

IP_ADDRESS VARCHAR2(40),

OSUSER VARCHAR2(30),

TERMINAL VARCHAR2(30)

);

--创建触发器

CREATE OR REPLACE TRIGGER ddl_trigger

AFTER DDL

ON DATABASE

BEGIN

INSERT INTO ddl_log

(user_name,

ddl_date,

ddl_type,

object_type,

owner,

object_name,

ip_address,

osuser,

terminal)

VALUES

(ora_login_user,

SYSDATE,

ora_sysevent,

ora_dict_obj_type,

ora_dict_obj_owner,

ora_dict_obj_name,

SYS_CONTEXT('USERENV', 'IP_ADDRESS'),

SYS_CONTEXT('USERENV', 'OS_USER'),

SYS_CONTEXT('USERENV', 'TERMINAL'));

END ddl_trigger;