Linux下 Oracle Instant Client 的安装

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Oracle Instant Client下载地址:
http://www.oracle.com/technetwork/topics/linuxsoft-082809.html
可以下载rpm包或者zip包进行安装,这里已rpm包为例;


1、下载rpm 包
oracle-instantclient11.2-basic-11.2.0.3.0-1.i386.rpm

oracle-instantclient11.2-sqlplus-11.2.0.3.0-1.i386.rpm
oracle-instantclient11.2-devel-11.2.0.3.0-1.i386.rpm

2、使用如下命令进行安装
rpm -ivh oracle-instantclient11.2-basic-11.2.0.3.0-1.i386.rpm
rpm -ivh oracle-instantclient11.2-sqlplus-11.2.0.3.0-1.i386.rpm
rpm -ivh oracle-instantclient11.2-devel-11.2.0.3.0-1.i386.rpm
安装完成后,

ORACLE Instant Client 相关的头文件在/usr/include/oracle/11.2/client/下;
库文件在 /usr/lib/oracle/11.2/client/下(cliient目录下有 lib 和 bin两个目录.);


配置如下环境变量: ~/.bashrc
export ORACLE_HOME=/usr/lib/oracle/11.2/client
export TNS_ADMIN=$ORACLE_HOME/network/admin
export NLS_LANG='simplified chinese_china'.ZHS16GBK
export LD_LIBRARY_PATH=$ORACLE_HOME/lib 
export PATH=$ORACLE_HOME/bin:$PATH
{ network/admin目录是手动创建的,用于sqlplus连接数据库}再在目录下创建一个文件 tnsnames.ora,配置了数据库连接,文件内容如下:
ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 199.20.10.5)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

配置完毕后,执行命令: source  ~/.bashrc
执行 sqlplus 命令即可连接数据库进行操作,例如:
sqlplus /nolog
conn scott/tiger@orcl

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