ORA_CLIENT_IP_ADDRESS用来返回访问oracle数据库客户端的ip地址,windows本机登录时,返回ip地址可能为空。

1.ORA_CLIENT_IP_ADDRESS定义:
- CREATE PUBLIC SYNONYM ORA_CLIENT_IP_ADDRESS FOR SYS.CLIENT_IP_ADDRESS
 - CREATE OR REPLACE FUNCTION SYS.CLIENT_IP_ADDRESS
 - return varchar2 is
 - begin
 - return dbms_standard.client_ip_address;
 - end;
 - CREATE PUBLIC SYNONYM ORA_CLIENT_IP_ADDRESS FOR SYS.CLIENT_IP_ADDRESS
 - CREATE OR REPLACE FUNCTION SYS.CLIENT_IP_ADDRESS
 - return varchar2 is
 - begin
 - return dbms_standard.client_ip_address;
 - end;
 
2.ORA_CLIENT_IP_ADDRESS 使用示例:
- CREATE OR REPLACE TRIGGER sysevent_trig
 - AFTER LOGON
 - ON DATABASE
 - BEGIN
 - insert into dw.ora_fun_logs(id,value)
 - values(dw.ora_fun_logs_s.nextval,
 - ora_sysevent||' : ORA_CLIENT_IP_ADDRESS--'||NVL(ora_client_ip_address, 'N/A'));
 - END;
 - show errors
 - truncate table dw.ora_fun_logs;
 - conn dw/dw@dw
 - set line 80
 - column value format a60
 - select * from dw.ora_fun_logs;
 - CREATE OR REPLACE TRIGGER sysevent_trig
 - AFTER LOGON
 - ON DATABASE
 - BEGIN
 - insert into dw.ora_fun_logs(id,value)
 - values(dw.ora_fun_logs_s.nextval,
 - ora_sysevent||' : ORA_CLIENT_IP_ADDRESS--'||NVL(ora_client_ip_address, 'N/A'));
 - END;
 - show errors
 - truncate table dw.ora_fun_logs;
 - conn dw/dw@dw
 - set line 80
 - column value format a60
 - select * from dw.ora_fun_logs;
 - 22:11:08 sys@dw>CREATE OR REPLACE TRIGGER sysevent_trig
 - 22:11:09 2 AFTER LOGON
 - 22:11:09 3 ON DATABASE
 - 22:11:09 4 BEGIN
 - 22:11:09 5 insert into dw.ora_fun_logs(id,value)
 - 22:11:09 6 values(dw.ora_fun_logs_s.nextval,
 - 22:11:09 7 ora_sysevent||' : ORA_CLIENT_IP_ADDRESS--'||NVL(ora_client_ip_address, 'N/A'));
 - 22:11:09 8 END;
 - 22:11:09 9 /
 - 触发器已创建
 - 已用时间: 00: 00: 00.04
 - 22:11:10 sys@dw>truncate table dw.ora_fun_logs;
 - 表被截断。
 - 已用时间: 00: 00: 00.03
 - 22:11:18 sys@dw>conn dw/dw@dw
 - 已连接。
 - 22:11:24 dw@dw>set line 80
 - 22:11:24 dw@dw>column value format a60
 - 22:11:24 dw@dw>select * from dw.ora_fun_logs;
 - ID VALUE
 - ---------- ------------------------------------------------------------
 - 17 LOGON : ORA_CLIENT_IP_ADDRESS--N/A
 - 18 LOGON : ORA_CLIENT_IP_ADDRESS--127.0.0.1
 
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