Oracle 11g 客户端配置
    Windows下Oracle 11G -?ODAC 11.2 
Release 3 安装配置
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下载Oracle 11G客户端工具
:ODAC 11.2 Release 3 (11.2.0.2.1) with Oracle Developer 
Tools for Visual Studio
,已包含的组件:
- Oracle Developer Tools for 
Visual Studio 11.2.0.2.0
- Oracle Data Provider for .NET 4 
11.2.0.2.0
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- Oracle Data Provider for .NET 
2.0 11.2.0.2.0
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- Oracle Providers for ASP.NET 4 
11.2.0.2.0
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- Oracle Providers for ASP.NET 
2.0 11.2.0.2.0
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- Oracle Database Extensions for 
.NET 4 11.2.0.2.0 -- for upgrade only
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- Oracle Database Extensions for 
.NET 2.0 11.2.0.2.0 -- for upgrade only
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- Oracle Provider for OLE DB 
11.2.0.2.0
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- Oracle Objects for OLE 
11.2.0.2.0
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- Oracle Services for Microsoft 
Transaction Server 11.2.0.2.0
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- Oracle ODBC Driver 
11.2.0.2.0
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- Oracle SQL*Plus 
11.2.0.2.0
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- Oracle Instant Client 
11.2.0.2.0
 
 
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解压到临时文件夹,再双击setup.exe执行安装,假设安装在:D:\app\wiflish\product\11.2.0\client_1目录下,安装过程略;
 
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设定环境变量:
ORACLE_HOME=D:\app\wiflish\product\11.2.0\client_1
TNS_ADMIN=D:\app\wiflish\product\11.2.0\client_1
NLS_LANG=SIMPLIFIED 
CHINESE_CHINA.AL32UTF8,注:语言编码要与Oracle服务器设置的一致,可以通过 select userenv('language') 
from dual; 查询服务器的语言编码;
 
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配置tnsnames.ora文件,在D:\app\wiflish\product\11.2.0\client_1\Network\Admin\目录下,新建tnsnames.ora文件,内容如下:
ORCL 
=
? (DESCRIPTION =
??? (ADDRESS_LIST =
????? (ADDRESS = (PROTOCOL = 
TCP)(HOST = 192.168.1.3)(PORT = 1521))
??? )
??? (CONNECT_DATA =
????? 
(SID = ORCL)
????? (SERVER = DEDICATED)
??? )
? ) 
其中:第一个ORCL为数据库实例名;192.168.1.3为Oracle数据库服务器地址;SID = 
ORCL为Oracle数据库服务器中安装是的SID。
 
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使用客户端连接工具如PLSQL Developer 
连接测试,输入用户名和密码,连接成功;
 
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Oracle的Instant Client的即时客户端连接工具的配置方式类似,将配置目录修改为Instant 
Client的解压目录;