CentOS Oracle客户端安装方法

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转载：源地址http://www.cnblogs.com/landhu/archive/2015/11/16/4968661.html

CentOS Oracle客户端安装方法如下：

1.安装客户端　

rpm -ivh /当前目录/oracle-instantclient12.1-basic-12.1.0.2.0-1.x86_64.rpm　

rpm -ivh /当前目录/oracle-instantclient12.1-devel-12.1.0.2.0-1.x86_64.rpm
　rpm -ivh /当前目录/oracle-instantclient12.1-odbc-12.1.0.2.0-1.x86_64.rpm
　rpm -ivh /当前目录/oracle-instantclient12.1-sqlplus-12.1.0.2.0-1.x86_64.rpm

填加tnsanme信息：
创建文件夹nework/admin，整个路径如：/usr/lib/oracle/12.1/client64/network/admin 加入tnsnames.ora
#tnames.ora Network Configuration File: /opt/oracle/app/product/11.2.0/dbhome_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.
ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.14.31)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

2、配置环境信息：

请打开 /etc/profile 文件，在这个文件里面追加如下内容：
export ORACLE_BASE=/usr/lib/oracle/12.1
export ORACLE_HOME=$ORACLE_BASE/client64
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH
export NLS_LANG=AMERICAN_AMERICA.AL32UTF8
export SQLPATH=/usr/lib/oracle/12.1/client64/network/admin
export TNS_ADMIN=/home/oracle/network/admin

运行 #> source /etc/profile 命令使该profile立即生效
再次运行vi .bash_profile ，加入下面这个：
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin

3、验证是否登陆成功：
sqlplus xxx/xxx@192.168.14.31:1521/orcl as sysdba

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