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oracle 回話環(huán)境變量 userenv ,oracle connetion context 會話環(huán)境連接的會話環(huán)境

補充

select userenv('LANGUAGE'),

userenv('ISDBA'),

userenv('SESSIONID'),

userenv('ENTRYID'),

userenv('LANG'),

userenv('INSTANCE'),

userenv('terminal')

FROM DUAL

select userenv('LANGUAGE'),
userenv('ISDBA'),
userenv('SESSIONID'),
userenv('ENTRYID'),
userenv('LANG'),
userenv('INSTANCE'),
userenv('terminal')
FROM DUAL

USERENV('LANGUAGE') USERENV('ISDBA') USERENV('SESSIONID') USERENV('ENTRYID') USERENV('LANG') USERENV('INSTANCE') USERENV('TERMINAL')
---------------------------------------------------- ---------------- -------------------- ------------------ ---------------------------------------------------- ------------------- -------------------
SIMPLIFIED CHINESE_CHINA.ZHS16GBK FALSE 8745 0 ZHS 1 13906B3C2A

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

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

TERMINAL LANGUAGE SESSIONID INSTANCE ENTRYID ISDBA NLS_TERRITORY NLS_CURRENCY NLS_CALENDAR NLS_DATE_FORMAT NLS_DATE_LANGUAGE NLS_SORT CURRENT_USER CURRENT_USERID SESSION_USER SESSION_USERID PROXY_USER PROXY_USERID DB_DOMAIN DB_NAME HOST OS_USER EXTERNAL_NAME IP_ADDRESS NETWORK_PROTOCOL
-------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- --------------------------------------------------------
GDDG-13906B3C2A SIMPLIFIED CHINESE_CHINA.ZHS16GBK 8745 1 FALSE CHINA ￥ GREGORIAN DD-MON-RR SIMPLIFIED CHINESE BINARY IDMP 61 IDMP 61 idmp -13906B3C2A GDDG-13906B3C2A\g g -13906B3C2A\gddg 127.0.0.1 tcp

select userenv('language') from dual;

USERENV('LANGUAGE')
----------------------------------------------------
SIMPLIFIED CHINESE_CHINA.ZHS16GBK

SQL>

select * from nls_instance_parameters

SQL> select * from nls_instance_parameters
2 ;

PARAMETER                                                    VALUE
------------------------------------------------------------ --------------------------------------------------------------------------------
NLS_LANGUAGE                                                 AMERICAN
NLS_TERRITORY                                                AMERICA
NLS_SORT
NLS_DATE_LANGUAGE
NLS_DATE_FORMAT
NLS_CURRENCY
NLS_NUMERIC_CHARACTERS
NLS_ISO_CURRENCY
NLS_CALENDAR
NLS_TIME_FORMAT
NLS_TIMESTAMP_FORMAT
NLS_TIME_TZ_FORMAT
NLS_TIMESTAMP_TZ_FORMAT
NLS_DUAL_CURRENCY
NLS_COMP
NLS_LENGTH_SEMANTICS                                         BYTE
NLS_NCHAR_CONV_EXCP                                          FALSE

17 rows selected

SQL>

很久以前我就用過這個sql

參考
http://blog.tianya.cn/blogger/post_show.asp?BlogID=743282&PostID=8419121

Oracle USERENV和sys_context

作者：hzjwcx 提交日期：2007-2-1 14:19:00

posted on 2008-05-13 13:18 小高閱讀(2186) 評論(1) 編輯收藏所屬分類: Oracle

關于sys_context()函數(shù)功能一覽

包括取本地ip，服務器端domian/db_name……，還有當前session的信息
后面有使用舉例：
AUTHENTICATION_DATA
Data being used to authenticate the login user. For X.503 certificate authenticated sessions, this field returns the context of the certificate in HEX2 format.
256

Note: You can change the return value of the AUTHENTICATION_DATA attribute using the length parameter of the syntax. Values of up to 4000 are accepted. This is the only attribute of USERENV for which Oracle implements such a change.

AUTHENTICATION_TYPE
How the user was authenticated:

DATABASE: username/password authentication

OS: operating system external user authentication

NETWORK: network protocol or ANO authentication

PROXY: OCI proxy connection authentication

30

BG_JOB_ID
Job ID of the current session if it was established by an Oracle background process. Null if the session was not established by a background process.
30

CLIENT_INFO
Returns up to 64 bytes of user session information that can be stored by an application using the DBMS_APPLICATION_INFO package.
64

CURRENT_SCHEMA
Name of the default schema being used in the current schema. This value can be changed during the session with an ALTER SESSION SET CURRENT_SCHEMA statement.
30

CURRENT_SCHEMAID
Identifier of the default schema being used in the current session.
30

CURRENT_USER
The name of the user whose privilege the current session is under.
30

CURRENT_USERID
User ID of the user whose privilege the current session is under
30

DB_DOMAIN
Domain of the database as specified in the DB_DOMAIN initialization parameter.
256

DB_NAME
Name of the database as specified in the DB_NAME initialization parameter
30

ENTRYID
The available auditing entry identifier. You cannot use this option in distributed SQL statements. To use this keyword in USERENV, the initialization parameter AUDIT_TRAIL must be set to true.
30

EXTERNAL_NAME
External name of the database user. For SSL authenticated sessions using v.503 certificates, this field returns the distinguished name (DN) stored in the user certificate.
256

FG_JOB_ID
Job ID of the current session if it was established by a client foreground process. Null if the session was not established by a foreground process.
30

HOST
Name of the host machine from which the client has connected.
54

INSTANCE
The instance identification number of the current instance.
30

IP_ADDRESS
IP address of the machine from which the client is connected.
30

ISDBA
TRUE if you currently have the DBA role enabled and FALSE if you do not.
30

LANG
The ISO abbreviation for the language name, a shorter form than the existing 'LANGUAGE' parameter.
62

LANGUAGE
The language and territory currently used by your session, along with the database character set, in this form:

language_territory.characterset
52

NETWORK_PROTOCOL
Network protocol being used for communication, as specified in the 'PROTOCOL=protocol' portion of the connect string.
256

NLS_CALENDAR
The current calendar of the current session.
62

NLS_CURRENCY
The currency of the current session.
62

NLS_DATE_FORMAT
The date format for the session.
62

NLS_DATE_LANGUAGE
The language used for expressing dates.
62

NLS_SORT
BINARY or the linguistic sort basis.
62

NLS_TERRITORY
The territory of the current session.
62

OS_USER
Operating system username of the client process that initiated the database session
30

PROXY_USER
Name of the database user who opened the current session on behalf of SESSION_USER.
30

PROXY_USERID
Identifier of the database user who opened the current session on behalf of SESSION_USER.
30

SESSION_USER
Database user name by which the current user is authenticated. This value remains the same throughout the duration of the session.
30

SESSION_USERID
Identifier of the database user name by which the current user is authenticated.
30

SESSIONID
The auditing session identifier. You cannot use this option in distributed SQL statements.
30

TERMINAL
The operating system identifier for the client of the current session. In distributed SQL statements, this option returns the identifier for your local session. In a distributed environment, this is supported only for remote SELECT statements, not for remote INSERT, UPDATE, or DELETE operations. (The return length of this parameter may vary by operating system.)

SQL> SELECT sys_context('USERENV','IP_ADDRESS') FROM DUAL;

SYS_CONTEXT('USERENV','IP_ADDR
--------------------------------------------------------------------------------
10.0.0.177

SQL> SELECT SYS_CONTEXT ('hr_apps', 'group_no') "User Group"
2 FROM DUAL;

User Group
--------------------------------------------------------------------------------

SQL> SELECT sys_context('USERENV','CLIENT_INFO') FROM DUAL;

SYS_CONTEXT('USERENV','CLIENT_
--------------------------------------------------------------------------------

SQL> SELECT sys_context('USERENV','CURRENT_SCHEMA') FROM DUAL;

SYS_CONTEXT('USERENV','CURRENT
--------------------------------------------------------------------------------
IDCBJ

SQL> SELECT sys_context('USERENV','HOST') FROM DUAL;

SYS_CONTEXT('USERENV','HOST')
--------------------------------------------------------------------------------
WORKGROUP\RAINY

SQL> SELECT sys_context('USERENV','AUTHENTICATION_DATA') FROM DUAL;

SYS_CONTEXT('USERENV','AUTHENT
--------------------------------------------------------------------------------

SQL> SELECT sys_context('USERENV','AUTHENTICATION_TYPE') FROM DUAL;

SYS_CONTEXT('USERENV','AUTHENT
--------------------------------------------------------------------------------
DATABASE

SQL> SELECT sys_context('USERENV','DB_DOMAIN') FROM DUAL;

SYS_CONTEXT('USERENV','DB_DOMA
--------------------------------------------------------------------------------
chenyq

SQL> SELECT sys_context('USERENV','DB_NAME') FROM DUAL;

SYS_CONTEXT('USERENV','DB_NAME
--------------------------------------------------------------------------------
ora817

SQL> SELECT SYS_CONTEXT('hr_context', 'org_id') FROM DUAL;

SYS_CONTEXT('HR_CONTEXT','ORG_
--------------------------------------------------------------------------------

SQL> 回復更多評論

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# re: oracle 回話環(huán)境變量 userenv 2008-08-03 11:13 小高

JUST DO IT ~

oracle 回話環(huán)境變量 userenv ,oracle connetion context 會話環(huán)境連接的會話環(huán)境

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oracle 回話環(huán)境變量 userenv ,oracle connetion context 會話環(huán)境 連接的會話環(huán)境

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# re: oracle 回話環(huán)境變量 userenv 2008-08-03 11:13 小高

導航

統(tǒng)計

常用鏈接

留言簿(3)

隨筆分類(352)

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oracle 回話環(huán)境變量 userenv ,oracle connetion context 會話環(huán)境連接的會話環(huán)境