ocilogon() function.ocilogon ocienvnlscreate() failed
一台windows服务器（PHP程序也在这里），“远程连接”oracle的但是报这个错，按网上说吗是ORACLE_HOME问题，也在本机设置过环境变量中加ORACLE_HOMT，不能解决啊...
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没用过oracle这么高端的东西啊,这个是老徐的长项.等老徐来帮你瞅瞅.
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贴出你的连接代码
似乎远程连接 oracle8 是需要配置环境变量的，但也不一定！
只要给出远程数据库所在的 地址、端口、和监听名就可以了
我对 oracle 并不熟悉，只是去年有需求从 oracle10 中读取数据，才对他探索了一下
我感到，使用 pdo_oci 连接 oracle 异常简单。
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ocilogon -- oci_connect() 的别名
oci_connect() 返回一个大多数 OCI 调用都需要的连接标识符。可选的第三个参数可以包含想要连接的本地 Oracle 的实例的或者在 tnsnames.ora 中的条目的名字。如果没有指定可选的第三个参数，PHP 使用环境变量 ORACLE_SID（Oracle 实例）或 TWO_TASK（tnsnames.ora）来确定连接哪一个数据库。
注: 如果 PHP 用的是 Oracle Instant Client，可以用容易的命名连接方法，说明见这里：http://download-west.oracle.com/docs/cd/B12037_01/network.101/b10775/naming.htm#i498306。基本上这意味着可以指定 "//db_host[:port]/database_name" 作为数据库名。但如果想用命名的旧方法则必须设定 ORACLE_HOME 或 TNS_ADMIN 二者之一。
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