Trouble uninstalling/removing applications

I have installed some applications from their developer’s websites as an .rpm file because they were not available in the software store. One of them is Oracle data developer. The app does not open and i want to uninstall it. I tried right clicking to it and going to “Show details” but it just opens the software store and it says that “Sorry! There are no details for that application”. How do i uninstall this application?

Thank you for your help!

Welcome to :fedora:
Search that application with rpm -qa |grep packagename
Once you find package name
rpm -e packagename
You can try dnf remove packagename

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