oracle客户端的安装是非常简单的，关键在tns配置，我这里使用的rpm安装包，oracle本身就不是开源，那使用rpm安装时最简单的。
1.要远程使用oracle，先下载下面三个文件，注意版本最好一致。
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oracle-instantclient-basic-10.2.0.4-1.i386.rpm
oracle-instantclient-sqlplus-10.2.0.4-1.i386.rpm
oracle-instantclient-devel-10.2.0.4-1.i386.rpm
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2.PM安装
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oracle-instantclient-basic-10.2.0.4-1.i386.rpm是基本的动态库、jar包，默认安装路径是：/usr/lib/oracle/10.2.0.4/client
oracle-instantclient-sqlplus-10.2.0.4-1.i386.rpm是客户端sqlplus安装包, 默认安装路径是：/usr/lib/oracle/10.2.0.4/client
oracle-instantclient-devel-10.2.0.4-1.i386.rpm是api接口文件,默认安装路径是：/usr/include/oracle/10.2.0.4/client
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这里不需要修改默认路径,直接安装即可：
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sudo rpm-avi oracle-instantclient-basic-10.2.0.4-1.i386.rpm
sudo rpm-avi oracle-instantclient-sqlplus-10.2.0.4-1.i386.rpm
sudo rpm-avi oracle-instantclient-devel-10.2.0.4-1.i386.rpm
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3.配置环境变量
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vi /etc/profile
export ORACLE_HOME=/usr/lib/oracle/10.2.0.4
export TNS_ADMIN=$ORACLE_HOME/network/admin
export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK
exportLD_LIBRARY_PATH=$ORACLE_HOME/client/lib:$LD_LIBRARY_PATH
exportOCI_HEADERS_HOME=/usr/include/oracle/10.2.0.4/client
export OCI_LIBS_HOME=$ORACLE_HOME/client/lib
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后面两项是为了我们的程序程序编译时使用方便，编译时直接加入选项：
-I$( OCI_HEADERS_HOME) –L$( OCI_LIBS_HOME) –l occi
4.配置监听器和网络环境
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[huangxw@ubuntu admin]$
cat/usr/lib/oracle/10.2.0.4/network/admin/tnsnames.ora
test_base=
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *.*.*.*)(PORT = ****))
)
(CONNECT_DATA =
(SERVICE_NAME = tt4adol)
)
)
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5.测试连接
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[huangxw@ubuntu bin]$./sqlplus USERNAME/PASSWD@test_base
SQL*Plus: Release 10.2.0.4.0 - Production onMon Jan 13 10:09:31 2014
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining andReal Application Testing options
SQL> select * from USERNAME.TABLENAME where accountid = 8401428;
ACCOUNTID INVTA SNDA RAINA INSB SPEN REMN
---------- ---------- ---------- -------------------- ---------- ----------
INVTC SPDC REIN
---------- ---------- ----------
8401428 0 0 100000 0 0 0
0 0 0
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