前 沿-可以根据语言环境展示不同的符号 参考
NLS (National Language Support) is used to define national date, number, currency and language settings. For example, it can be used to change the currency symbol from $ to € (Euro); the language from English to Dutch, etc.
To see what NLS parameters are in effect, perform the below queries -
Client parameters (change with ALTER SESSION):
SELECT * FROM nls_session_parameters;## 优先级最高
Instance parameters (change with ALTER SYSTEM):
SELECT * FROM nls_instance_parameters;## 优先级第二高
Database parameters (set during database creation):
SELECT * FROM nls_database_parameters;
Note that session parameters take precedence over instance and database parameters. Instance parameters take precedence over database parameters.
一、查看当前用户客户端设置的语言环境
参考了博文
NLS_LANG格式:
NLS_LANG = language_territory.charset
有三个组成部分(语言、地域和字符集),每个成分控制了NLS子集的特性。其中:language 指定服务器消息的语言。territory 指定服务器的日期和数字格式。charset 指定字符集。
三、如果是windows 的display language 是English
需要修改location和administrative 下面的language for non-unicode programs
来源:oschina
链接:https://my.oschina.net/u/2308739/blog/609009