【Oracle】ORA-12560: TNS: 协议适配器错误2021-08-13 12:55:09问题现象: ORA-12560: TNS: 协议适配器错误 解决方法: 启动监听服务上一篇:oracle:ora-12560 tns 协议适配器错误下一篇:Pycharm 中You are using pip version 10.0.1, however version 18.1 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command.