oracle用户下查看服务器或者本地IP地址

1.查看oracle所在服务器的ip:

select utl_inaddr.get_host_address from dual;

2.查看登陆oracle机器的IP:

select sys_context('userenv','ip_address') from dual;

3.查看oracle数据库的SID:

select instance_name from v$instance;