修改当前session的语言环境

本文介绍了如何在Oracle数据库中查看和修改当前会话的语言环境。首先通过查询v$nls_parameters视图来查看语言设置,然后展示如何使用`ALTER SESSION SET`语句改变NLS_LANGUAGE参数。

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设置session语言
1:查看语言设置情况
SQL> SET PAGESIZE 80
SQL> col PARAMETER format a35
SQL> col VALUE format a35
SQL> select * from v$nls_parameters;
PARAMETER                                          VALUE
-------------------------------------------------- ----------------------------------------
NLS_LANGUAGE                                       SIMPLIFIED CHINESE
NLS_TERRITORY                                      CHINA
NLS_CURRENCY                                       ¥
NLS_ISO_CURRENCY                                   CHINA
NLS_NUMERIC_CHARACTERS                             .,
NLS_CALENDAR                                       GREGORIAN
NLS_DATE_FORMAT                                    YYYY-mm-dd hh24:mi:ss
NLS_DATE_LANGUAGE                                  SIMPLIFIED CHINESE
NLS_CHARACTERSET                                   AL32UTF8
NLS_SORT                                           BINARY
NLS_TIME_FORMAT                                    HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT                               DD-MON-RR HH.MI.SSXFF AM
NLS_TIME_TZ_FORMAT                                 HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT                            DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY                                  ¥
NLS_NCHAR_CHARACTERSET                             UTF8
NLS_COMP                                           BINARY
NLS_LENGTH_SEMANTICS                               BYTE
NLS_NCHAR_CONV_EXCP                                FALSE

2:查看当前会话的语言环境
SQL> select userenv('language') from dual;
USERENV('LANGUAGE')
------------------------------------------
SIMPLIFIED CHINESE_CHINA.AL32UTF8

3:修改当前会话语言的参数
修改当前会话的语言环境变量参数:
ALTER SESSION SET <nls_parameter> = <value>

SQL> alter session set nls_language=american;
Session altered.
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