简单审计oracle用户ip

CREATE TABLE SYS.USER_LOGIN_CHECK
(
USERNAME VARCHAR2(40 BYTE),
IPADDR VARCHAR2(30 BYTE),
LAST_LOGIN_TIME TIMESTAMP(6)
);



DROP TRIGGER SYS.TEST;

CREATE OR REPLACE TRIGGER SYS.TEST
AFTER logon ON database
DECLARE
v_username sys.user_login_check.USERNAME%type;
v_ipaddr sys.user_login_check.IPADDR%type;
v_count number;
BEGIN
if sys_context('userenv', 'ip_address') is null then
select count(1) into v_count from sys.user_login_check where username=user and IPADDR is null;
else
select count(1) into v_count from sys.user_login_check where username=user and IPADDR=sys_context('userenv', 'ip_address');
end if;

if v_count > 0 then
update sys.user_login_check set LAST_LOGIN_TIME=sysdate where username = user and IPADDR=sys_context('userenv', 'ip_address');
else
insert into sys.user_login_check values(user,sys_context('userenv', 'ip_address'),sysdate);
end if;
commit;

END test;
/