If the Command Prompt (CMD) is not working or opening on your Windows 11/10 PC, then here some working fixes to resolve the issue.

If SQLPlus is not recognized as an internal or external command, follow these steps: Open Command Prompt in the correct directory Add Environment Variables ...

Best I can think of off-hand would be a kludge using MySQL administrator and a temporary MySQL database on their individual workstations. Hopefully somebody else has some good suggestions.