名站网址导航为大家提供关于数据库教程相关的教程网站知识。
这篇文章主要介绍了Oracle中获取会话信息的两个函数分享,本文分别讲解了USERENV和两个函数sys_context,并对可以获取哪些信息作了介绍,需要的朋友可以参考下Oracle cloud control 12c的启动、关闭及获取安装信息的具体相关方法
Oracle cloud control 12c整个安装比较复杂，光是安装路径的选择，登录密码，端口号等众多个配置不免让人眼花缭乱，目不暇接。本文描述的是安装完毕后如何获取安装时设定的各类端口号，UR,有关cloud control的安装配置可以参考：Oracle Enterprise Manager Cloud Control 12c Release 3 Installation,1、当前的环境配置, , ,2、启动repository DB及OMS, , ,3、查看安装信息, , , NOTE: An encryption key has been generated to encrypt sensitive data in the Management Repositor, ,4、关闭OMS及repository DB,
1、 USERENV(OPTION)
返回当前的会话信息.
OPTION='ISDBA'若当前是DBA角色,则为TRUE,否则FALSE.
OPTION='LANGUAGE'返回网站数据库的字符集.
OPTION='SESSIONID'为当前会话标识符.
OPTION='ENTRYID'返回可审计的会话标识符.
OPTION='LANG'返回会话语言名称的ISO简记.
OPTION='INSTANCE'返回当前的实例.
OPTION='terminal'返回当前计算机名
SELECT USERENV('LANGUAGE') FROM DUAL;
2、sys_context
select
SYS_CONTEXT('USERENV','TERMINAL') terminal,
SYS_CONTEXT('USERENV','LANGUAGE') language,
SYS_CONTEXT('USERENV','SESSIONID') sessionid,
SYS_CONTEXT('USERENV','INSTANCE') instance,
SYS_CONTEXT('USERENV','ENTRYID') entryid,
SYS_CONTEXT('USERENV','ISDBA') isdba,
SYS_CONTEXT('USERENV','NLS_TERRITORY') nls_territory,
SYS_CONTEXT('USERENV','NLS_CURRENCY') nls_currency,
SYS_CONTEXT('USERENV','NLS_CALENDAR') nls_calendar,
SYS_CONTEXT('USERENV','NLS_DATE_FORMAT') nls_date_format,
SYS_CONTEXT('USERENV','NLS_DATE_LANGUAGE') nls_date_language,
SYS_CONTEXT('USERENV','NLS_SORT') nls_sort,
SYS_CONTEXT('USERENV','CURRENT_USER') current_user,
SYS_CONTEXT('USERENV','CURRENT_USERID') current_userid,
SYS_CONTEXT('USERENV','SESSION_USER') session_user,
SYS_CONTEXT('USERENV','SESSION_USERID') session_userid,
SYS_CONTEXT('USERENV','PROXY_USER') proxy_user,
SYS_CONTEXT('USERENV','PROXY_USERID') proxy_userid,
SYS_CONTEXT('USERENV','DB_DOMAIN') db_domain,
SYS_CONTEXT('USERENV','DB_NAME') db_name,
SYS_CONTEXT('USERENV','hOST') host,
SYS_CONTEXT('USERENV','OS_USER') os_user,
SYS_CONTEXT('USERENV','EXTERNAL_NAME') external_name,
SYS_CONTEXT('USERENV','IP_ADDRESS') ip_address,
SYS_CONTEXT('USERENV','NETWORK_PROTOCOL') network_protocol,
SYS_CONTEXT('USERENV','BG_JOB_ID') bg_job_id,
SYS_CONTEXT('USERENV','FG_JOB_ID') fg_job_id,
SYS_CONTEXT('USERENV','AUThENTICATION_TYPE') authentication_type,
SYS_CONTEXT('USERENV','AUThENTICATION_DATA') authentication_data
from dual
3.与系统视图v$session组合使用可以获得更多信息(客户端所使用的应用程序等)
复制具体相关代码具体相关代码如下:
select *
from v$session se,
(select SYS_CONTEXT('USERENV', 'TERMINAL') terminal,
SYS_CONTEXT('USERENV', 'LANGUAGE') language,
SYS_CONTEXT('USERENV', 'SESSIONID') sessionid,
SYS_CONTEXT('USERENV', 'INSTANCE') instance,
SYS_CONTEXT('USERENV', 'ENTRYID') entryid,
SYS_CONTEXT('USERENV', 'ISDBA') isdba,
SYS_CONTEXT('USERENV', 'NLS_TERRITORY') nls_territory,
SYS_CONTEXT('USERENV', 'NLS_CURRENCY') nls_currency,
SYS_CONTEXT('USERENV', 'NLS_CALENDAR') nls_calendar,
SYS_CONTEXT('USERENV', 'NLS_DATE_FORMAT') nls_date_format,
SYS_CONTEXT('USERENV', 'NLS_DATE_LANGUAGE') nls_date_language,
SYS_CONTEXT('USERENV', 'NLS_SORT') nls_sort,
SYS_CONTEXT('USERENV', 'CURRENT_USER') current_user,
SYS_CONTEXT('USERENV', 'CURRENT_USERID') current_userid,
SYS_CONTEXT('USERENV', 'SESSION_USER') session_user,
SYS_CONTEXT('USERENV', 'SESSION_USERID') session_userid,
SYS_CONTEXT('USERENV', 'PROXY_USER') proxy_user,
SYS_CONTEXT('USERENV', 'PROXY_USERID') proxy_userid,
SYS_CONTEXT('USERENV', 'DB_DOMAIN') db_domain,
SYS_CONTEXT('USERENV', 'DB_NAME') db_name,
SYS_CONTEXT('USERENV', 'hOST') host,
SYS_CONTEXT('USERENV', 'OS_USER') os_user,
SYS_CONTEXT('USERENV', 'EXTERNAL_NAME') external_name,
SYS_CONTEXT('USERENV', 'IP_ADDRESS') ip_address,
SYS_CONTEXT('USERENV', 'NETWORK_PROTOCOL') network_protocol,
SYS_CONTEXT('USERENV', 'BG_JOB_ID') bg_job_id,
SYS_CONTEXT('USERENV', 'FG_JOB_ID') fg_job_id,
SYS_CONTEXT('USERENV', 'AUThENTICATION_TYPE') authentication_type,
SYS_CONTEXT('USERENV', 'AUThENTICATION_DATA') authentication_data
from dual) base
where se.AUDSID = base.sessionid;
关于数据库教程相关的教程网站知识今天我们就说到这里了，希望可以帮到大家。
