oracle 添加登陆数据库触发器--记录IP 地址

----触发器--- ---创建中间插入的表 create table session_history tablespace bap_data as (select sid,username,program,machine,'000.000.000.000'ipadd,sysdate moditime from v$session where 0=1);

---创建触发器---只要登陆数据库就触发 create or replace trigger on_logon_trigger  after logon on database  begin insert into session_history select sid,username,program,machine,sys_context('userenv','ip_address'),sysdate from v$session where audsid = userenv('sessionid'); end;

---查询登陆信息 select * from  session_history q where q.username not in ('SYS')

------------直接在数据库SYS用户层面修改----（实际操作是步骤3）-- 1. 利用triger

begin     dbms_application_info.set_client_info(sys_context( 'userenv', 'ip_address' ) ); end;

2. 利用 DBMS_SESSION 过程包. BEGIN DBMS_SESSION.set_identifier(SYS_CONTEXT('USERENV', 'IP_ADDRESS')); END;

3.我们可以通过触发器

create or replace trigger on_logon_trigger after logon on database begin     dbms_application_info.set_client_info(sys_context( 'userenv', 'ip_address' ) ); end; / 4.验证 这样当客户端登陆后，在v$session的client_info列会记录其相应的IP信息。

这里才查询v$session ,你会发现 v$session 多了一列 记录客户端的IP.

select client_info from v$session;

select count(client_info) from v$session;

 set pagesize 1000 line 1000 select a.description,a.trigger_body from dba_triggers a where a.owner='SYS' AND A.status='ENABLED';

select count(1) from dba_triggers a where a.owner='SYS' AND A.status='ENABLED';

select client_info from v$session where client_info is not  null ;