1、select*  from v$version
2、select username,user_id,default_tablespace,profile from dba_users;
3、select* from v$parameter where name ='PWD_POLICY';  全局密码策略
4、select username,password_versions,account_status from dba_users;每个用户的密码策略
5、select life_time from sysusers; 口令有效期
6、select "USERNAME" ,"FAILED_NUM" ,"LOCK_TIME" from sysusers  p,dba_users u where   p.failed_num not in('0') ;  登录失败策略
7、select id,conn_idle_time from sysusers ;超时自动退出
8、select* from v$parameter where name='ENABLE_ENCRYPT'; 传输层加密
     select* from v$parameter where name='COMM_ENCRYPT_NAME';应用层加密
9、 select* from v$parameter where name='CLIENT_UKEY';双因素
10、 select* from v$DM_INI where para_name='ENABLE_OBJ_REUSE';安全标记
11、select* from v$dm_ini where para_name='ENABLE_AUDIT';开启审计
       select* from v$dm_ini where para_name='AUD_PATH';