'sqlplus' is not an internal or external command

1. 1. Local access to remote oracle prompts no sqlplus command

   2. Install sqlplus client----

          Download instantclient-basic-windows.x64-11.2.0.2.0.zip and configure environment variables        

2.  

   Method 1: Configure environment variables

   ...\oracle\product\10.2.0\db_1\bin is added to the system environment variable path;

3.  

   Method 2. Add a path in the oracle uninstall interface

   In the oracle uninstall pop-up window, click "Installed Products" --> "Environment" tab, and check the existing oracle home directory.

   It can be seen that the string value displayed in the "Path" window is the value of the path made by the system environment.

   
4.  

   Use sqlplus sys/.. as sysdba statement to operate, no problem

   

5.