在完成oracle安装后，linux环境下需要添加以下设置才可正常使用oracle：
在完成Oracle安装后，linux环境下需要添加以下设置才可正常使用oracle：
设置ORACLE_HOME和ORACLE_SID两个环境变量，再把ORACLE的bin目录添加到PATH中即可，通常缺省安装的情况下ORACLE_SID=orcl，，ORACLE_HOME=/home/oracle/oracle/product/10......这样的形式，操作步骤：
1、su oracle并回车切换到oracle用户；
2、cd并回车回到oracle用户目录；
3、vi .bash_profile并回车编辑该文件，按I键进入插入状态，在最后加入以下行：
export ORACLE_SID=orcl
export ORACLE_HOME=/home/oracle/oracle/product/10....（...部分根据你的实际路径修改）
export PATH=$PATH:$ORACLE_HOME/bin
输入完毕后按ESC键退出vi编辑状态，输入:wq并回车存盘退出。
注销所有oracle用户，再使用oracle登录即可。
注意输入wq前面有个:冒号，先输入这个:就可以在编辑器最底端输入命令了。
更多Oracle相关信息见Oracle 专题页面 ?tid=12
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