单实例环境
1，停进程
2，安装补丁
3，升级数据库
1>停止所有Oracle相关进程
[oracle@node2 Disk1]$ emctl stop dbconsole
[oracle@node2 Disk1]$ lsnrctl stop
SQL>shutdown immediate
2>安装补丁步骤
升级至10.2.0.4
下载包：p6810189_10204_Linux-x86
使用DBUA升级。
[oracle@linux Disk1~]$ ./runInstaller
安装图像界面。
运行root.sh 脚本
[root@node2 db]# sh root.sh
Running Oracle10 root.sh script...
The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /u01/app/oracle/product/10.2.0/db
Enter the full pathname of the local bin directory: [/usr/local/bin]: y
The file "dbhome" already exists in y. Overwrite it (y/n)
[n]: y
Copying dbhome to y ...
The file "oraenv" already exists in y. Overwrite it (y/n)
[n]: y
Copying oraenv to y ...
The file "coraenv" already exists in y. Overwrite it (y/n)
[n]: y
Copying coraenv to y ...
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root.sh script.
Now product-specific root actions will be performed.
3>升级数据库。