oracle打补丁教程

Windows环境下给oracle打补丁详细教程

https://blog.csdn.net/u011145571/article/details/104878696

windows打19C RU补丁

https://blog.csdn.net/Melgards/article/details/125299371

【UP_ORACLE】Oracle 19c之从19.3升级到19.9

http://blog.itpub.net/69992972/viewspace-2751275/