How can I enable one time log in credentials upon refresh of power queries?

Thanks for your response. Actually, I had this established such sort of indirect connection due to unable to connect directly with Oracle database. The error message is ODBC driver related. Which is so strange, i have checked everything and ODBC driver is installed properly. Its surprising for me as i can connect MS acess to Oracle database but not excel. If this is the only solution, I will then have to raise a question to resolve silly ODBC driver error message.