ROracle下载地址及备份下载

ROracle需要先登陆oracle账户，刷新界面后再从下方地址下载，否则会下载失败

ROracle下载地址：

https://www.oracle.com/database/technologies/roracle-downloads.html

ROracle依赖包：

https://cran.r-project.org/web/packages/DBI/index.html