- 从11.2.0.2开始，数据库补丁包是一个完整安装包。也就是说：比如要打11.2.0.2的补丁包，直接用11.2.0.2包来安装就可以了，不需要像10G一样先安装数据库软件再来打补丁包。
- 如果已经安装了11.2.0.1的用户也可以像10G一样打补丁包，也可以把11.2.0.2安装到新目录，安装好以后，再把老的数据库数据迁移过去。oracle说的“In-Place Upgrade与Out-of-Place Upgrade”
- 还有下载补丁包的时候要注意一点是，分7个包，每个包包含不同的应用系统：
| Installation Type |
Zip File |
| Oracle Database (includes Oracle Database and Oracle RAC) Note: you must download both zip files to install Oracle Database. |
p10098816_112020_platform_1of7.zip p10098816_112020_platform_2of7.zip |
| Oracle Grid Infrastructure (includes Oracle ASM, Oracle Clusterware, and Oracle Restart) |
p10098816_112020_platform_3of7.zip |
| Oracle Database Client |
p10098816_112020_platform_4of7.zip |
| Oracle Gateways |
p10098816_112020_platform_5of7.zip |
| Oracle Examples |
p10098816_112020_platform_6of7.zip |
| Deinstall |
p10098816_112020_platform_7of7.zip |
下面这两包是必须下载的：
p10098816_112020_platform_1of7.zip
p10098816_112020_platform_2of7.zip
