sys_context函数 求!sys_context函数中文文档,偶英语不好,看英语文档太吃力了。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 http://blog.csdn.net/wildwave/archive/2010/01/10/5171179.aspx 【语法】SYS_CONTEXT(c1,c2)【功能】返回系统c1对应的c2的值。可以使用在SQL/PLSQL中,但不可以用在并行查询或者RAC环境中【参数】c1,'USERENV'c2,参数表,详见示例【返回】字符串【示例】selectSYS_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_datafrom dual; 获取访问目的数据库流下的痕迹 主要是防注入吧 前段时间也看 了下看海的http://blog.csdn.net/wh62592855/archive/2009/10/23/4718756.aspx 提个帐户的问题啊 OracleOraDb10gManagementServer服务启动不起来 如何产生一个唯一的ID 求助,怎样的war报告才能反映系统的优秀 system和sys密码 谁能给我一个ORACLE的标准存储过程示例,高分 数据表连接速度很慢??? 连接查询问题 问个ORACLE和SYBASE的问题!高手进来!!! cognos连接oracle出错 create Oracle 数据库同步升级工具
【功能】返回系统c1对应的c2的值。可以使用在SQL/PLSQL中,但不可以用在并行查询或者RAC环境中【参数】
c1,'USERENV'
c2,参数表,详见示例【返回】字符串
【示例】
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;
获取访问目的数据库流下的痕迹 主要是防注入吧 前段时间也看 了下
看海的http://blog.csdn.net/wh62592855/archive/2009/10/23/4718756.aspx