Oracle访问组件下载网址

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

 

Oracle Database 12c Release 1 (12.1.0.1.0) for Microsoft Windows (x64)

http://download.oracle.com/otn/nt/oracle12c/121010/winx64_12c_database_1of2.zip
http://download.oracle.com/otn/nt/oracle12c/121010/winx64_12c_database_2of2.zip

安装教程：

https://wenku.baidu.com/view/8fcf06cc26fff705cd170a0f.html

 

SQL Developer Downloads

https://www.oracle.com/tools/downloads/sqldev-downloads.html